Home / 8,067.09-12,101.85-2,871.75

Finding the Fourth Proportional to 8,067.09, 12,101.85 and 2,871.75

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Solution

The fourth proportional to 8,067.09, 12,101.85 and 2,871.75 is: 4,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.09 : 12,101.85 = 2,871.75 : x
  2. Step 2: Convert to fraction form
    8,067.09/12,101.85 = 2,871.75/x
  3. Step 3: Cross multiply
    8,067.09x = 12,101.85 × 2,871.75
  4. Step 4: Simplify right side
    8,067.09x = 34,753,487.74
  5. Step 5: Solve for x
    x = 34,753,487.74/8,067.09
  6. Step 6: Final answer
    x = 4,308.06

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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.