Home / 6,301.20-8,694-3,781.92

Finding the Fourth Proportional to 6,301.20, 8,694 and 3,781.92

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Solution

The fourth proportional to 6,301.20, 8,694 and 3,781.92 is: 5,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,301.20 : 8,694 = 3,781.92 : x
  2. Step 2: Convert to fraction form
    6,301.20/8,694 = 3,781.92/x
  3. Step 3: Cross multiply
    6,301.20x = 8,694 × 3,781.92
  4. Step 4: Simplify right side
    6,301.20x = 32,880,012.48
  5. Step 5: Solve for x
    x = 32,880,012.48/6,301.20
  6. Step 6: Final answer
    x = 5,218.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.