Home / 4,172.31-6,245.71-3,581.82

Finding the Fourth Proportional to 4,172.31, 6,245.71 and 3,581.82

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Solution

The fourth proportional to 4,172.31, 6,245.71 and 3,581.82 is: 5,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.31 : 6,245.71 = 3,581.82 : x
  2. Step 2: Convert to fraction form
    4,172.31/6,245.71 = 3,581.82/x
  3. Step 3: Cross multiply
    4,172.31x = 6,245.71 × 3,581.82
  4. Step 4: Simplify right side
    4,172.31x = 22,371,000.04
  5. Step 5: Solve for x
    x = 22,371,000.04/4,172.31
  6. Step 6: Final answer
    x = 5,361.78

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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.