Home / 5,100.32-7,641.48-3,631.88

Finding the Fourth Proportional to 5,100.32, 7,641.48 and 3,631.88

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Solution

The fourth proportional to 5,100.32, 7,641.48 and 3,631.88 is: 5,441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.32 : 7,641.48 = 3,631.88 : x
  2. Step 2: Convert to fraction form
    5,100.32/7,641.48 = 3,631.88/x
  3. Step 3: Cross multiply
    5,100.32x = 7,641.48 × 3,631.88
  4. Step 4: Simplify right side
    5,100.32x = 27,752,938.38
  5. Step 5: Solve for x
    x = 27,752,938.38/5,100.32
  6. Step 6: Final answer
    x = 5,441.41

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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.