Home / 5,125.44-7,691.92-3,812.16

Finding the Fourth Proportional to 5,125.44, 7,691.92 and 3,812.16

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Solution

The fourth proportional to 5,125.44, 7,691.92 and 3,812.16 is: 5,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.44 : 7,691.92 = 3,812.16 : x
  2. Step 2: Convert to fraction form
    5,125.44/7,691.92 = 3,812.16/x
  3. Step 3: Cross multiply
    5,125.44x = 7,691.92 × 3,812.16
  4. Step 4: Simplify right side
    5,125.44x = 29,322,829.75
  5. Step 5: Solve for x
    x = 29,322,829.75/5,125.44
  6. Step 6: Final answer
    x = 5,721.04

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1.5x scale

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.