Home / 7,127.62-10,691.19-3,229.30

Finding the Fourth Proportional to 7,127.62, 10,691.19 and 3,229.30

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Solution

The fourth proportional to 7,127.62, 10,691.19 and 3,229.30 is: 4,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.62 : 10,691.19 = 3,229.30 : x
  2. Step 2: Convert to fraction form
    7,127.62/10,691.19 = 3,229.30/x
  3. Step 3: Cross multiply
    7,127.62x = 10,691.19 × 3,229.30
  4. Step 4: Simplify right side
    7,127.62x = 34,525,059.87
  5. Step 5: Solve for x
    x = 34,525,059.87/7,127.62
  6. Step 6: Final answer
    x = 4,843.84

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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.