Home / 8,915.27-13,371.68-3,983.58

Finding the Fourth Proportional to 8,915.27, 13,371.68 and 3,983.58

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Solution

The fourth proportional to 8,915.27, 13,371.68 and 3,983.58 is: 5,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.27 : 13,371.68 = 3,983.58 : x
  2. Step 2: Convert to fraction form
    8,915.27/13,371.68 = 3,983.58/x
  3. Step 3: Cross multiply
    8,915.27x = 13,371.68 × 3,983.58
  4. Step 4: Simplify right side
    8,915.27x = 53,267,166.97
  5. Step 5: Solve for x
    x = 53,267,166.97/8,915.27
  6. Step 6: Final answer
    x = 5,974.83

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1.5x scale

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.