Proportions Math

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

• 8

• 10

• 4

• 12

Solve for A in the table.

• 40

• 10

• 9

• 45

Name the constant of proportionality.

• 20

• 40

• 16

• 35

Name the constant of proportionality.

• 5

• 10

• 2

• 1

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

Is the graph proportional or non proportional?

• proportional

• non proportional

A rate in which the second quantity in the comparison is one unit

• ratio

• unit rate

• rate

• proportion

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