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Finding the Fourth Proportional to 8,504.17, 12,753.95 and 5,379.48

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Solution

The fourth proportional to 8,504.17, 12,753.95 and 5,379.48 is: 8,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.17 : 12,753.95 = 5,379.48 : x
  2. Step 2: Convert to fraction form
    8,504.17/12,753.95 = 5,379.48/x
  3. Step 3: Cross multiply
    8,504.17x = 12,753.95 × 5,379.48
  4. Step 4: Simplify right side
    8,504.17x = 68,609,592.05
  5. Step 5: Solve for x
    x = 68,609,592.05/8,504.17
  6. Step 6: Final answer
    x = 8,067.76

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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.