Proportions Missing Value

Find the missing side using proportions.

• a

• b

• c

• d

Find the missing side using proportions.

• a

• b

• c

• d

Find the missing side using proportions.

• a

• b

• c

• d

Find the missing side using proportions.

• a

• b

• c

• d

This is a table with a proportional relationship between A and B.  Find the missing value of B. 

• 33

• 44

• 32

• 48

This is a table with a proportional relationship between A and B.  Find the missing value of B. 

Mathematical Equivalence

ON

To find the missing value in the ratio, do we need to scale up or down?
1                 5
---  =         ----
3                ?

• up (multiply)

• down (divide)

Find the value of x using proportions.

• a

• b

• c

• d

Find the value of x using proportions.

• a

• b

• c

• d

Find the value of x using proportions.

• a

• b

• c

• d