Home / 5,399.43-8,101.49-1,891.96

Finding the Fourth Proportional to 5,399.43, 8,101.49 and 1,891.96

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Solution

The fourth proportional to 5,399.43, 8,101.49 and 1,891.96 is: 2,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.43 : 8,101.49 = 1,891.96 : x
  2. Step 2: Convert to fraction form
    5,399.43/8,101.49 = 1,891.96/x
  3. Step 3: Cross multiply
    5,399.43x = 8,101.49 × 1,891.96
  4. Step 4: Simplify right side
    5,399.43x = 15,327,695.02
  5. Step 5: Solve for x
    x = 15,327,695.02/5,399.43
  6. Step 6: Final answer
    x = 2,838.76

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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.