Home / 9,158.60-13,732.42-2,915.92

Finding the Fourth Proportional to 9,158.60, 13,732.42 and 2,915.92

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Solution

The fourth proportional to 9,158.60, 13,732.42 and 2,915.92 is: 4,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.60 : 13,732.42 = 2,915.92 : x
  2. Step 2: Convert to fraction form
    9,158.60/13,732.42 = 2,915.92/x
  3. Step 3: Cross multiply
    9,158.60x = 13,732.42 × 2,915.92
  4. Step 4: Simplify right side
    9,158.60x = 40,042,638.13
  5. Step 5: Solve for x
    x = 40,042,638.13/9,158.60
  6. Step 6: Final answer
    x = 4,372.14

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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.