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Finding the Fourth Proportional to 8,695.22, 13,042.82 and 3,499.88

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Solution

The fourth proportional to 8,695.22, 13,042.82 and 3,499.88 is: 5,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.22 : 13,042.82 = 3,499.88 : x
  2. Step 2: Convert to fraction form
    8,695.22/13,042.82 = 3,499.88/x
  3. Step 3: Cross multiply
    8,695.22x = 13,042.82 × 3,499.88
  4. Step 4: Simplify right side
    8,695.22x = 45,648,248.40
  5. Step 5: Solve for x
    x = 45,648,248.40/8,695.22
  6. Step 6: Final answer
    x = 5,249.81

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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.