Home / 8,635.38-12,952.98-2,791.86

Finding the Fourth Proportional to 8,635.38, 12,952.98 and 2,791.86

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Solution

The fourth proportional to 8,635.38, 12,952.98 and 2,791.86 is: 4,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.38 : 12,952.98 = 2,791.86 : x
  2. Step 2: Convert to fraction form
    8,635.38/12,952.98 = 2,791.86/x
  3. Step 3: Cross multiply
    8,635.38x = 12,952.98 × 2,791.86
  4. Step 4: Simplify right side
    8,635.38x = 36,162,906.74
  5. Step 5: Solve for x
    x = 36,162,906.74/8,635.38
  6. Step 6: Final answer
    x = 4,187.76

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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.