Home / 5,086.28-7,631.40-3,636.92

Finding the Fourth Proportional to 5,086.28, 7,631.40 and 3,636.92

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Solution

The fourth proportional to 5,086.28, 7,631.40 and 3,636.92 is: 5,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.28 : 7,631.40 = 3,636.92 : x
  2. Step 2: Convert to fraction form
    5,086.28/7,631.40 = 3,636.92/x
  3. Step 3: Cross multiply
    5,086.28x = 7,631.40 × 3,636.92
  4. Step 4: Simplify right side
    5,086.28x = 27,754,791.29
  5. Step 5: Solve for x
    x = 27,754,791.29/5,086.28
  6. Step 6: Final answer
    x = 5,456.80

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1.5x scale

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.