Home / 5,229.74-7,845.31-2,764.66

Finding the Fourth Proportional to 5,229.74, 7,845.31 and 2,764.66

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Solution

The fourth proportional to 5,229.74, 7,845.31 and 2,764.66 is: 4,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.74 : 7,845.31 = 2,764.66 : x
  2. Step 2: Convert to fraction form
    5,229.74/7,845.31 = 2,764.66/x
  3. Step 3: Cross multiply
    5,229.74x = 7,845.31 × 2,764.66
  4. Step 4: Simplify right side
    5,229.74x = 21,689,614.74
  5. Step 5: Solve for x
    x = 21,689,614.74/5,229.74
  6. Step 6: Final answer
    x = 4,147.36

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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.