Home / 6,342.91-9,517.10-2,645.87

Finding the Fourth Proportional to 6,342.91, 9,517.10 and 2,645.87

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Solution

The fourth proportional to 6,342.91, 9,517.10 and 2,645.87 is: 3,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.91 : 9,517.10 = 2,645.87 : x
  2. Step 2: Convert to fraction form
    6,342.91/9,517.10 = 2,645.87/x
  3. Step 3: Cross multiply
    6,342.91x = 9,517.10 × 2,645.87
  4. Step 4: Simplify right side
    6,342.91x = 25,180,948.56
  5. Step 5: Solve for x
    x = 25,180,948.56/6,342.91
  6. Step 6: Final answer
    x = 3,969.94

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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.