Home / 8,151.26-11,247.98-4,613.90

Finding the Fourth Proportional to 8,151.26, 11,247.98 and 4,613.90

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Solution

The fourth proportional to 8,151.26, 11,247.98 and 4,613.90 is: 6,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.26 : 11,247.98 = 4,613.90 : x
  2. Step 2: Convert to fraction form
    8,151.26/11,247.98 = 4,613.90/x
  3. Step 3: Cross multiply
    8,151.26x = 11,247.98 × 4,613.90
  4. Step 4: Simplify right side
    8,151.26x = 51,897,054.92
  5. Step 5: Solve for x
    x = 51,897,054.92/8,151.26
  6. Step 6: Final answer
    x = 6,366.75

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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.