Home / 5,126.27-7,689.87-2,203.90

Finding the Fourth Proportional to 5,126.27, 7,689.87 and 2,203.90

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Solution

The fourth proportional to 5,126.27, 7,689.87 and 2,203.90 is: 3,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.27 : 7,689.87 = 2,203.90 : x
  2. Step 2: Convert to fraction form
    5,126.27/7,689.87 = 2,203.90/x
  3. Step 3: Cross multiply
    5,126.27x = 7,689.87 × 2,203.90
  4. Step 4: Simplify right side
    5,126.27x = 16,947,685.27
  5. Step 5: Solve for x
    x = 16,947,685.27/5,126.27
  6. Step 6: Final answer
    x = 3,306.05

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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.