Home / 8,279.01-12,418.41-3,348.60

Finding the Fourth Proportional to 8,279.01, 12,418.41 and 3,348.60

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Solution

The fourth proportional to 8,279.01, 12,418.41 and 3,348.60 is: 5,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.01 : 12,418.41 = 3,348.60 : x
  2. Step 2: Convert to fraction form
    8,279.01/12,418.41 = 3,348.60/x
  3. Step 3: Cross multiply
    8,279.01x = 12,418.41 × 3,348.60
  4. Step 4: Simplify right side
    8,279.01x = 41,584,287.73
  5. Step 5: Solve for x
    x = 41,584,287.73/8,279.01
  6. Step 6: Final answer
    x = 5,022.86

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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.