Proportion or Not

Solve for the unknown in the equivalent ratios.
3/4 = 9/?

• 8

• 10

• 4

• 12

Enter the missing numbers to create equivalent ratios. 
1 : 3
6 : 18
2 : _
4 : _

• 4 & 8

• 4 & 12

• 6 & 12

• 6 & 8

In my fish tank, the ratio of red fish to blue fish is 3:5. There are 20 blue fish. How many red fish are there?

• 18

• 12

• 4

• 15

You travel 150 miles on 5 gallons. How far did you travel per gallon?

• 15 miles

• 30 miles

• 3 miles

• 25 miles

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

• 4

• 6

• 8

• 10

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

What is the constant of proportionality?

• $3

• $4

• $2

• $9

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.