Home / 5,167.82-7,757.19-3,221.36

Finding the Fourth Proportional to 5,167.82, 7,757.19 and 3,221.36

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Solution

The fourth proportional to 5,167.82, 7,757.19 and 3,221.36 is: 4,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.82 : 7,757.19 = 3,221.36 : x
  2. Step 2: Convert to fraction form
    5,167.82/7,757.19 = 3,221.36/x
  3. Step 3: Cross multiply
    5,167.82x = 7,757.19 × 3,221.36
  4. Step 4: Simplify right side
    5,167.82x = 24,988,701.58
  5. Step 5: Solve for x
    x = 24,988,701.58/5,167.82
  6. Step 6: Final answer
    x = 4,835.44

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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.