Home / 5,102.97-7,652.27-1,939.87

Finding the Fourth Proportional to 5,102.97, 7,652.27 and 1,939.87

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Solution

The fourth proportional to 5,102.97, 7,652.27 and 1,939.87 is: 2,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.97 : 7,652.27 = 1,939.87 : x
  2. Step 2: Convert to fraction form
    5,102.97/7,652.27 = 1,939.87/x
  3. Step 3: Cross multiply
    5,102.97x = 7,652.27 × 1,939.87
  4. Step 4: Simplify right side
    5,102.97x = 14,844,380.38
  5. Step 5: Solve for x
    x = 14,844,380.38/5,102.97
  6. Step 6: Final answer
    x = 2,908.97

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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.