Home / 4,013.92-5,539.25-2,221.31

Finding the Fourth Proportional to 4,013.92, 5,539.25 and 2,221.31

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Solution

The fourth proportional to 4,013.92, 5,539.25 and 2,221.31 is: 3,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.92 : 5,539.25 = 2,221.31 : x
  2. Step 2: Convert to fraction form
    4,013.92/5,539.25 = 2,221.31/x
  3. Step 3: Cross multiply
    4,013.92x = 5,539.25 × 2,221.31
  4. Step 4: Simplify right side
    4,013.92x = 12,304,352.61
  5. Step 5: Solve for x
    x = 12,304,352.61/4,013.92
  6. Step 6: Final answer
    x = 3,065.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.