Home / 5,127.44-7,685.08-2,351.78

Finding the Fourth Proportional to 5,127.44, 7,685.08 and 2,351.78

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Solution

The fourth proportional to 5,127.44, 7,685.08 and 2,351.78 is: 3,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.44 : 7,685.08 = 2,351.78 : x
  2. Step 2: Convert to fraction form
    5,127.44/7,685.08 = 2,351.78/x
  3. Step 3: Cross multiply
    5,127.44x = 7,685.08 × 2,351.78
  4. Step 4: Simplify right side
    5,127.44x = 18,073,617.44
  5. Step 5: Solve for x
    x = 18,073,617.44/5,127.44
  6. Step 6: Final answer
    x = 3,524.88

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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.