Home / 8,500.28-12,726.38-5,721.44

Finding the Fourth Proportional to 8,500.28, 12,726.38 and 5,721.44

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Solution

The fourth proportional to 8,500.28, 12,726.38 and 5,721.44 is: 8,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.28 : 12,726.38 = 5,721.44 : x
  2. Step 2: Convert to fraction form
    8,500.28/12,726.38 = 5,721.44/x
  3. Step 3: Cross multiply
    8,500.28x = 12,726.38 × 5,721.44
  4. Step 4: Simplify right side
    8,500.28x = 72,813,170.26
  5. Step 5: Solve for x
    x = 72,813,170.26/8,500.28
  6. Step 6: Final answer
    x = 8,565.98

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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.