Home / 5,401.92-8,103.27-1,891.53

Finding the Fourth Proportional to 5,401.92, 8,103.27 and 1,891.53

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Solution

The fourth proportional to 5,401.92, 8,103.27 and 1,891.53 is: 2,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.92 : 8,103.27 = 1,891.53 : x
  2. Step 2: Convert to fraction form
    5,401.92/8,103.27 = 1,891.53/x
  3. Step 3: Cross multiply
    5,401.92x = 8,103.27 × 1,891.53
  4. Step 4: Simplify right side
    5,401.92x = 15,327,578.30
  5. Step 5: Solve for x
    x = 15,327,578.30/5,401.92
  6. Step 6: Final answer
    x = 2,837.43

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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.