Home / 8,266.20-12,400.52-3,001.61

Finding the Fourth Proportional to 8,266.20, 12,400.52 and 3,001.61

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Solution

The fourth proportional to 8,266.20, 12,400.52 and 3,001.61 is: 4,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.20 : 12,400.52 = 3,001.61 : x
  2. Step 2: Convert to fraction form
    8,266.20/12,400.52 = 3,001.61/x
  3. Step 3: Cross multiply
    8,266.20x = 12,400.52 × 3,001.61
  4. Step 4: Simplify right side
    8,266.20x = 37,221,447.83
  5. Step 5: Solve for x
    x = 37,221,447.83/8,266.20
  6. Step 6: Final answer
    x = 4,502.85

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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.