Home / 5,427-8,141.76-2,793.51

Finding the Fourth Proportional to 5,427, 8,141.76 and 2,793.51

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Solution

The fourth proportional to 5,427, 8,141.76 and 2,793.51 is: 4,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427 : 8,141.76 = 2,793.51 : x
  2. Step 2: Convert to fraction form
    5,427/8,141.76 = 2,793.51/x
  3. Step 3: Cross multiply
    5,427x = 8,141.76 × 2,793.51
  4. Step 4: Simplify right side
    5,427x = 22,744,087.98
  5. Step 5: Solve for x
    x = 22,744,087.98/5,427
  6. Step 6: Final answer
    x = 4,190.91

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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.