Home / 5,399.93-8,101.11-2,113.97

Finding the Fourth Proportional to 5,399.93, 8,101.11 and 2,113.97

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Solution

The fourth proportional to 5,399.93, 8,101.11 and 2,113.97 is: 3,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.93 : 8,101.11 = 2,113.97 : x
  2. Step 2: Convert to fraction form
    5,399.93/8,101.11 = 2,113.97/x
  3. Step 3: Cross multiply
    5,399.93x = 8,101.11 × 2,113.97
  4. Step 4: Simplify right side
    5,399.93x = 17,125,470.93
  5. Step 5: Solve for x
    x = 17,125,470.93/5,399.93
  6. Step 6: Final answer
    x = 3,171.42

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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.