Home / 5,615.24-8,419.10-2,691.95

Finding the Fourth Proportional to 5,615.24, 8,419.10 and 2,691.95

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Solution

The fourth proportional to 5,615.24, 8,419.10 and 2,691.95 is: 4,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.24 : 8,419.10 = 2,691.95 : x
  2. Step 2: Convert to fraction form
    5,615.24/8,419.10 = 2,691.95/x
  3. Step 3: Cross multiply
    5,615.24x = 8,419.10 × 2,691.95
  4. Step 4: Simplify right side
    5,615.24x = 22,663,740.69
  5. Step 5: Solve for x
    x = 22,663,740.69/5,615.24
  6. Step 6: Final answer
    x = 4,036.12

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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.