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Finding the Fourth Proportional to 8,379.03, 12,565.17 and 3,695.70

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Solution

The fourth proportional to 8,379.03, 12,565.17 and 3,695.70 is: 5,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.03 : 12,565.17 = 3,695.70 : x
  2. Step 2: Convert to fraction form
    8,379.03/12,565.17 = 3,695.70/x
  3. Step 3: Cross multiply
    8,379.03x = 12,565.17 × 3,695.70
  4. Step 4: Simplify right side
    8,379.03x = 46,437,098.77
  5. Step 5: Solve for x
    x = 46,437,098.77/8,379.03
  6. Step 6: Final answer
    x = 5,542.06

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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.