Home / 5,125.43-7,687.77-2,004.86

Finding the Fourth Proportional to 5,125.43, 7,687.77 and 2,004.86

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Solution

The fourth proportional to 5,125.43, 7,687.77 and 2,004.86 is: 3,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.43 : 7,687.77 = 2,004.86 : x
  2. Step 2: Convert to fraction form
    5,125.43/7,687.77 = 2,004.86/x
  3. Step 3: Cross multiply
    5,125.43x = 7,687.77 × 2,004.86
  4. Step 4: Simplify right side
    5,125.43x = 15,412,902.56
  5. Step 5: Solve for x
    x = 15,412,902.56/5,125.43
  6. Step 6: Final answer
    x = 3,007.14

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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.