Home / 5,540.15-8,306.88-2,208.92

Finding the Fourth Proportional to 5,540.15, 8,306.88 and 2,208.92

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Solution

The fourth proportional to 5,540.15, 8,306.88 and 2,208.92 is: 3,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.15 : 8,306.88 = 2,208.92 : x
  2. Step 2: Convert to fraction form
    5,540.15/8,306.88 = 2,208.92/x
  3. Step 3: Cross multiply
    5,540.15x = 8,306.88 × 2,208.92
  4. Step 4: Simplify right side
    5,540.15x = 18,349,191.84
  5. Step 5: Solve for x
    x = 18,349,191.84/5,540.15
  6. Step 6: Final answer
    x = 3,312.04

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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.