Home / 8,163.26-12,238.20-2,613.14

Finding the Fourth Proportional to 8,163.26, 12,238.20 and 2,613.14

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Solution

The fourth proportional to 8,163.26, 12,238.20 and 2,613.14 is: 3,917.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.26 : 12,238.20 = 2,613.14 : x
  2. Step 2: Convert to fraction form
    8,163.26/12,238.20 = 2,613.14/x
  3. Step 3: Cross multiply
    8,163.26x = 12,238.20 × 2,613.14
  4. Step 4: Simplify right side
    8,163.26x = 31,980,129.95
  5. Step 5: Solve for x
    x = 31,980,129.95/8,163.26
  6. Step 6: Final answer
    x = 3,917.57

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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.