Home / 9,125.20-13,675.39-3,855.85

Finding the Fourth Proportional to 9,125.20, 13,675.39 and 3,855.85

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Solution

The fourth proportional to 9,125.20, 13,675.39 and 3,855.85 is: 5,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.20 : 13,675.39 = 3,855.85 : x
  2. Step 2: Convert to fraction form
    9,125.20/13,675.39 = 3,855.85/x
  3. Step 3: Cross multiply
    9,125.20x = 13,675.39 × 3,855.85
  4. Step 4: Simplify right side
    9,125.20x = 52,730,252.53
  5. Step 5: Solve for x
    x = 52,730,252.53/9,125.20
  6. Step 6: Final answer
    x = 5,778.53

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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.