Home / 5,129.82-7,701.56-3,469.52

Finding the Fourth Proportional to 5,129.82, 7,701.56 and 3,469.52

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Solution

The fourth proportional to 5,129.82, 7,701.56 and 3,469.52 is: 5,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.82 : 7,701.56 = 3,469.52 : x
  2. Step 2: Convert to fraction form
    5,129.82/7,701.56 = 3,469.52/x
  3. Step 3: Cross multiply
    5,129.82x = 7,701.56 × 3,469.52
  4. Step 4: Simplify right side
    5,129.82x = 26,720,716.45
  5. Step 5: Solve for x
    x = 26,720,716.45/5,129.82
  6. Step 6: Final answer
    x = 5,208.90

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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.