Home / 8,109.06-12,163.94-2,562.53

Finding the Fourth Proportional to 8,109.06, 12,163.94 and 2,562.53

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Solution

The fourth proportional to 8,109.06, 12,163.94 and 2,562.53 is: 3,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.06 : 12,163.94 = 2,562.53 : x
  2. Step 2: Convert to fraction form
    8,109.06/12,163.94 = 2,562.53/x
  3. Step 3: Cross multiply
    8,109.06x = 12,163.94 × 2,562.53
  4. Step 4: Simplify right side
    8,109.06x = 31,170,387.54
  5. Step 5: Solve for x
    x = 31,170,387.54/8,109.06
  6. Step 6: Final answer
    x = 3,843.90

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1.5x scale

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.