Home / 8,279.74-12,419.61-2,436.36

Finding the Fourth Proportional to 8,279.74, 12,419.61 and 2,436.36

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Solution

The fourth proportional to 8,279.74, 12,419.61 and 2,436.36 is: 3,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.74 : 12,419.61 = 2,436.36 : x
  2. Step 2: Convert to fraction form
    8,279.74/12,419.61 = 2,436.36/x
  3. Step 3: Cross multiply
    8,279.74x = 12,419.61 × 2,436.36
  4. Step 4: Simplify right side
    8,279.74x = 30,258,641.02
  5. Step 5: Solve for x
    x = 30,258,641.02/8,279.74
  6. Step 6: Final answer
    x = 3,654.54

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Similar ratio
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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.