Home / 5,032.38-7,543.11-2,107.28

Finding the Fourth Proportional to 5,032.38, 7,543.11 and 2,107.28

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Solution

The fourth proportional to 5,032.38, 7,543.11 and 2,107.28 is: 3,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,032.38 : 7,543.11 = 2,107.28 : x
  2. Step 2: Convert to fraction form
    5,032.38/7,543.11 = 2,107.28/x
  3. Step 3: Cross multiply
    5,032.38x = 7,543.11 × 2,107.28
  4. Step 4: Simplify right side
    5,032.38x = 15,895,407.13
  5. Step 5: Solve for x
    x = 15,895,407.13/5,032.38
  6. Step 6: Final answer
    x = 3,158.63

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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.