Home / 5,427-8,141.11-2,306.88

Finding the Fourth Proportional to 5,427, 8,141.11 and 2,306.88

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Solution

The fourth proportional to 5,427, 8,141.11 and 2,306.88 is: 3,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427 : 8,141.11 = 2,306.88 : x
  2. Step 2: Convert to fraction form
    5,427/8,141.11 = 2,306.88/x
  3. Step 3: Cross multiply
    5,427x = 8,141.11 × 2,306.88
  4. Step 4: Simplify right side
    5,427x = 18,780,558.07
  5. Step 5: Solve for x
    x = 18,780,558.07/5,427
  6. Step 6: Final answer
    x = 3,460.58

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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.