Home / 5,209.38-7,185.85-3,791.17

Finding the Fourth Proportional to 5,209.38, 7,185.85 and 3,791.17

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Solution

The fourth proportional to 5,209.38, 7,185.85 and 3,791.17 is: 5,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.38 : 7,185.85 = 3,791.17 : x
  2. Step 2: Convert to fraction form
    5,209.38/7,185.85 = 3,791.17/x
  3. Step 3: Cross multiply
    5,209.38x = 7,185.85 × 3,791.17
  4. Step 4: Simplify right side
    5,209.38x = 27,242,778.45
  5. Step 5: Solve for x
    x = 27,242,778.45/5,209.38
  6. Step 6: Final answer
    x = 5,229.56

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Half scale
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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.