Home / 5,461.32-8,191.92-2,538

Finding the Fourth Proportional to 5,461.32, 8,191.92 and 2,538

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Solution

The fourth proportional to 5,461.32, 8,191.92 and 2,538 is: 3,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.32 : 8,191.92 = 2,538 : x
  2. Step 2: Convert to fraction form
    5,461.32/8,191.92 = 2,538/x
  3. Step 3: Cross multiply
    5,461.32x = 8,191.92 × 2,538
  4. Step 4: Simplify right side
    5,461.32x = 20,791,092.96
  5. Step 5: Solve for x
    x = 20,791,092.96/5,461.32
  6. Step 6: Final answer
    x = 3,806.97

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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.