Home / 5,115.52-7,675.17-3,487.42

Finding the Fourth Proportional to 5,115.52, 7,675.17 and 3,487.42

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Solution

The fourth proportional to 5,115.52, 7,675.17 and 3,487.42 is: 5,232.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.52 : 7,675.17 = 3,487.42 : x
  2. Step 2: Convert to fraction form
    5,115.52/7,675.17 = 3,487.42/x
  3. Step 3: Cross multiply
    5,115.52x = 7,675.17 × 3,487.42
  4. Step 4: Simplify right side
    5,115.52x = 26,766,541.36
  5. Step 5: Solve for x
    x = 26,766,541.36/5,115.52
  6. Step 6: Final answer
    x = 5,232.42

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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.