Home / 8,552.39-12,841.34-5,279.18

Finding the Fourth Proportional to 8,552.39, 12,841.34 and 5,279.18

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Solution

The fourth proportional to 8,552.39, 12,841.34 and 5,279.18 is: 7,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.39 : 12,841.34 = 5,279.18 : x
  2. Step 2: Convert to fraction form
    8,552.39/12,841.34 = 5,279.18/x
  3. Step 3: Cross multiply
    8,552.39x = 12,841.34 × 5,279.18
  4. Step 4: Simplify right side
    8,552.39x = 67,791,654.70
  5. Step 5: Solve for x
    x = 67,791,654.70/8,552.39
  6. Step 6: Final answer
    x = 7,926.64

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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.