Home / 6,721.92-10,080.48-3,432.96

Finding the Fourth Proportional to 6,721.92, 10,080.48 and 3,432.96

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Solution

The fourth proportional to 6,721.92, 10,080.48 and 3,432.96 is: 5,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.92 : 10,080.48 = 3,432.96 : x
  2. Step 2: Convert to fraction form
    6,721.92/10,080.48 = 3,432.96/x
  3. Step 3: Cross multiply
    6,721.92x = 10,080.48 × 3,432.96
  4. Step 4: Simplify right side
    6,721.92x = 34,605,884.62
  5. Step 5: Solve for x
    x = 34,605,884.62/6,721.92
  6. Step 6: Final answer
    x = 5,148.21

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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.