Home / 8,279.04-12,417.60-2,436.80

Finding the Fourth Proportional to 8,279.04, 12,417.60 and 2,436.80

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Solution

The fourth proportional to 8,279.04, 12,417.60 and 2,436.80 is: 3,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.04 : 12,417.60 = 2,436.80 : x
  2. Step 2: Convert to fraction form
    8,279.04/12,417.60 = 2,436.80/x
  3. Step 3: Cross multiply
    8,279.04x = 12,417.60 × 2,436.80
  4. Step 4: Simplify right side
    8,279.04x = 30,259,207.68
  5. Step 5: Solve for x
    x = 30,259,207.68/8,279.04
  6. Step 6: Final answer
    x = 3,654.92

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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.