Home / 6,218.65-8,577.96-3,979.73

Finding the Fourth Proportional to 6,218.65, 8,577.96 and 3,979.73

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Solution

The fourth proportional to 6,218.65, 8,577.96 and 3,979.73 is: 5,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.65 : 8,577.96 = 3,979.73 : x
  2. Step 2: Convert to fraction form
    6,218.65/8,577.96 = 3,979.73/x
  3. Step 3: Cross multiply
    6,218.65x = 8,577.96 × 3,979.73
  4. Step 4: Simplify right side
    6,218.65x = 34,137,964.75
  5. Step 5: Solve for x
    x = 34,137,964.75/6,218.65
  6. Step 6: Final answer
    x = 5,489.61

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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.