Home / 5,100.38-7,641.51-2,132.29

Finding the Fourth Proportional to 5,100.38, 7,641.51 and 2,132.29

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Solution

The fourth proportional to 5,100.38, 7,641.51 and 2,132.29 is: 3,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.38 : 7,641.51 = 2,132.29 : x
  2. Step 2: Convert to fraction form
    5,100.38/7,641.51 = 2,132.29/x
  3. Step 3: Cross multiply
    5,100.38x = 7,641.51 × 2,132.29
  4. Step 4: Simplify right side
    5,100.38x = 16,293,866.49
  5. Step 5: Solve for x
    x = 16,293,866.49/5,100.38
  6. Step 6: Final answer
    x = 3,194.64

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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.