Home / 7,126.43-9,834.26-3,982.61

Finding the Fourth Proportional to 7,126.43, 9,834.26 and 3,982.61

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Solution

The fourth proportional to 7,126.43, 9,834.26 and 3,982.61 is: 5,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.43 : 9,834.26 = 3,982.61 : x
  2. Step 2: Convert to fraction form
    7,126.43/9,834.26 = 3,982.61/x
  3. Step 3: Cross multiply
    7,126.43x = 9,834.26 × 3,982.61
  4. Step 4: Simplify right side
    7,126.43x = 39,165,953.13
  5. Step 5: Solve for x
    x = 39,165,953.13/7,126.43
  6. Step 6: Final answer
    x = 5,495.88

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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.