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Finding the Fourth Proportional to 8,931.53, 13,397.16 and 3,737.41

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Solution

The fourth proportional to 8,931.53, 13,397.16 and 3,737.41 is: 5,606.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.53 : 13,397.16 = 3,737.41 : x
  2. Step 2: Convert to fraction form
    8,931.53/13,397.16 = 3,737.41/x
  3. Step 3: Cross multiply
    8,931.53x = 13,397.16 × 3,737.41
  4. Step 4: Simplify right side
    8,931.53x = 50,070,679.76
  5. Step 5: Solve for x
    x = 50,070,679.76/8,931.53
  6. Step 6: Final answer
    x = 5,606.06

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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.