Home / 5,171.82-7,138.92-3,832.26

Finding the Fourth Proportional to 5,171.82, 7,138.92 and 3,832.26

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Solution

The fourth proportional to 5,171.82, 7,138.92 and 3,832.26 is: 5,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.82 : 7,138.92 = 3,832.26 : x
  2. Step 2: Convert to fraction form
    5,171.82/7,138.92 = 3,832.26/x
  3. Step 3: Cross multiply
    5,171.82x = 7,138.92 × 3,832.26
  4. Step 4: Simplify right side
    5,171.82x = 27,358,197.56
  5. Step 5: Solve for x
    x = 27,358,197.56/5,171.82
  6. Step 6: Final answer
    x = 5,289.86

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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.