Home / 7,126.14-9,833.91-3,982.62

Finding the Fourth Proportional to 7,126.14, 9,833.91 and 3,982.62

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Solution

The fourth proportional to 7,126.14, 9,833.91 and 3,982.62 is: 5,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.14 : 9,833.91 = 3,982.62 : x
  2. Step 2: Convert to fraction form
    7,126.14/9,833.91 = 3,982.62/x
  3. Step 3: Cross multiply
    7,126.14x = 9,833.91 × 3,982.62
  4. Step 4: Simplify right side
    7,126.14x = 39,164,726.64
  5. Step 5: Solve for x
    x = 39,164,726.64/7,126.14
  6. Step 6: Final answer
    x = 5,495.92

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1.5x scale

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.