Home / 8,080.27-12,125.94-3,149.95

Finding the Fourth Proportional to 8,080.27, 12,125.94 and 3,149.95

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Solution

The fourth proportional to 8,080.27, 12,125.94 and 3,149.95 is: 4,727.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.27 : 12,125.94 = 3,149.95 : x
  2. Step 2: Convert to fraction form
    8,080.27/12,125.94 = 3,149.95/x
  3. Step 3: Cross multiply
    8,080.27x = 12,125.94 × 3,149.95
  4. Step 4: Simplify right side
    8,080.27x = 38,196,104.70
  5. Step 5: Solve for x
    x = 38,196,104.70/8,080.27
  6. Step 6: Final answer
    x = 4,727.08

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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.