Home / 5,129.33-7,691.26-2,658.02

Finding the Fourth Proportional to 5,129.33, 7,691.26 and 2,658.02

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Solution

The fourth proportional to 5,129.33, 7,691.26 and 2,658.02 is: 3,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.33 : 7,691.26 = 2,658.02 : x
  2. Step 2: Convert to fraction form
    5,129.33/7,691.26 = 2,658.02/x
  3. Step 3: Cross multiply
    5,129.33x = 7,691.26 × 2,658.02
  4. Step 4: Simplify right side
    5,129.33x = 20,443,509.62
  5. Step 5: Solve for x
    x = 20,443,509.62/5,129.33
  6. Step 6: Final answer
    x = 3,985.61

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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.