Home / 8,915.28-12,301.00-5,331.41

Finding the Fourth Proportional to 8,915.28, 12,301.00 and 5,331.41

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Solution

The fourth proportional to 8,915.28, 12,301.00 and 5,331.41 is: 7,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.28 : 12,301.00 = 5,331.41 : x
  2. Step 2: Convert to fraction form
    8,915.28/12,301.00 = 5,331.41/x
  3. Step 3: Cross multiply
    8,915.28x = 12,301.00 × 5,331.41
  4. Step 4: Simplify right side
    8,915.28x = 65,581,691.83
  5. Step 5: Solve for x
    x = 65,581,691.83/8,915.28
  6. Step 6: Final answer
    x = 7,356.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.