Home / 5,077.31-7,614.33-1,613.75

Finding the Fourth Proportional to 5,077.31, 7,614.33 and 1,613.75

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Solution

The fourth proportional to 5,077.31, 7,614.33 and 1,613.75 is: 2,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.31 : 7,614.33 = 1,613.75 : x
  2. Step 2: Convert to fraction form
    5,077.31/7,614.33 = 1,613.75/x
  3. Step 3: Cross multiply
    5,077.31x = 7,614.33 × 1,613.75
  4. Step 4: Simplify right side
    5,077.31x = 12,287,586.97
  5. Step 5: Solve for x
    x = 12,287,586.97/5,077.31
  6. Step 6: Final answer
    x = 2,420.10

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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.