Finding the Fourth Proportional to 10,307.04, 15,461.12 and 2,912.08
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Solution
The fourth proportional to 10,307.04, 15,461.12 and 2,912.08 is: 4,368.28
Step by Step Solution
- Step 1: Write the proportion equation
10,307.04 : 15,461.12 = 2,912.08 : x - Step 2: Convert to fraction form
10,307.04/15,461.12 = 2,912.08/x - Step 3: Cross multiply
10,307.04x = 15,461.12 × 2,912.08 - Step 4: Simplify right side
10,307.04x = 45,024,018.33 - Step 5: Solve for x
x = 45,024,018.33/10,307.04 - Step 6: Final answer
x = 4,368.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.