Proportions Cross Product

Solve the proportion:

• 4

• 8

• 14

• 10

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Solve the proportion:

• 15

• 5

• 10

• 12

Are these proportions equal: 2/3 and 4/6?

• YES

• NO

Solve the proportion.

• p=31.3

• p=308

• p=924

• p=532

• 2.5
• 1
• 3.25
• -2.25

Solve for s.

• -32.40

• 32.40

• -5.8

• 5.8

Solve for m.

• -2

• 2

• -9

• 9

Solve the proportion.

• 1

• 3

• 6

• 5

About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many computers would you expect to have?

• 39 Computers

• 4.3 Homes

• 39 Homes

• 4.3 Computers