Home / 8,422.17-12,635.99-4,039.97

Finding the Fourth Proportional to 8,422.17, 12,635.99 and 4,039.97

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Solution

The fourth proportional to 8,422.17, 12,635.99 and 4,039.97 is: 6,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.17 : 12,635.99 = 4,039.97 : x
  2. Step 2: Convert to fraction form
    8,422.17/12,635.99 = 4,039.97/x
  3. Step 3: Cross multiply
    8,422.17x = 12,635.99 × 4,039.97
  4. Step 4: Simplify right side
    8,422.17x = 51,048,937.14
  5. Step 5: Solve for x
    x = 51,048,937.14/8,422.17
  6. Step 6: Final answer
    x = 6,061.26

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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.