Home / 6,218.19-8,582.18-3,979.95

Finding the Fourth Proportional to 6,218.19, 8,582.18 and 3,979.95

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Solution

The fourth proportional to 6,218.19, 8,582.18 and 3,979.95 is: 5,493.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.19 : 8,582.18 = 3,979.95 : x
  2. Step 2: Convert to fraction form
    6,218.19/8,582.18 = 3,979.95/x
  3. Step 3: Cross multiply
    6,218.19x = 8,582.18 × 3,979.95
  4. Step 4: Simplify right side
    6,218.19x = 34,156,627.39
  5. Step 5: Solve for x
    x = 34,156,627.39/6,218.19
  6. Step 6: Final answer
    x = 5,493.02

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Double scale
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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.