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Finding the Fourth Proportional to 8,067.01, 12,103.92 and 3,910.11

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Solution

The fourth proportional to 8,067.01, 12,103.92 and 3,910.11 is: 5,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.01 : 12,103.92 = 3,910.11 : x
  2. Step 2: Convert to fraction form
    8,067.01/12,103.92 = 3,910.11/x
  3. Step 3: Cross multiply
    8,067.01x = 12,103.92 × 3,910.11
  4. Step 4: Simplify right side
    8,067.01x = 47,327,658.63
  5. Step 5: Solve for x
    x = 47,327,658.63/8,067.01
  6. Step 6: Final answer
    x = 5,866.82

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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.