Home / 7,126.52-9,834.56-3,982.68

Finding the Fourth Proportional to 7,126.52, 9,834.56 and 3,982.68

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Solution

The fourth proportional to 7,126.52, 9,834.56 and 3,982.68 is: 5,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.52 : 9,834.56 = 3,982.68 : x
  2. Step 2: Convert to fraction form
    7,126.52/9,834.56 = 3,982.68/x
  3. Step 3: Cross multiply
    7,126.52x = 9,834.56 × 3,982.68
  4. Step 4: Simplify right side
    7,126.52x = 39,167,905.42
  5. Step 5: Solve for x
    x = 39,167,905.42/7,126.52
  6. Step 6: Final answer
    x = 5,496.08

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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.