Home / 9,127.76-13,691.78-3,862.11

Finding the Fourth Proportional to 9,127.76, 13,691.78 and 3,862.11

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Solution

The fourth proportional to 9,127.76, 13,691.78 and 3,862.11 is: 5,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.76 : 13,691.78 = 3,862.11 : x
  2. Step 2: Convert to fraction form
    9,127.76/13,691.78 = 3,862.11/x
  3. Step 3: Cross multiply
    9,127.76x = 13,691.78 × 3,862.11
  4. Step 4: Simplify right side
    9,127.76x = 52,879,141.15
  5. Step 5: Solve for x
    x = 52,879,141.15/9,127.76
  6. Step 6: Final answer
    x = 5,793.23

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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.