Home / 8,149.22-11,245.93-4,613.57

Finding the Fourth Proportional to 8,149.22, 11,245.93 and 4,613.57

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Solution

The fourth proportional to 8,149.22, 11,245.93 and 4,613.57 is: 6,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.22 : 11,245.93 = 4,613.57 : x
  2. Step 2: Convert to fraction form
    8,149.22/11,245.93 = 4,613.57/x
  3. Step 3: Cross multiply
    8,149.22x = 11,245.93 × 4,613.57
  4. Step 4: Simplify right side
    8,149.22x = 51,883,859.68
  5. Step 5: Solve for x
    x = 51,883,859.68/8,149.22
  6. Step 6: Final answer
    x = 6,366.73

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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.