Solve Proportions

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What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

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How do you solve a proportion?

Back

To solve a proportion, cross-multiply the terms and then solve for the variable.

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What is the cross-multiplication method?

Back

The cross-multiplication method involves multiplying the numerator of one ratio by the denominator of the other ratio.

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Back

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x = 6.

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x = 3.

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Back

x = 3.

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Back

x = 9.

Front

What does it mean if two ratios are equivalent?

Back

It means that they represent the same relationship between quantities.

Front

How can you check if two fractions are equivalent?

Back

You can cross-multiply and see if the products are equal.