Home / 5,979.31-8,251.34-3,326.70

Finding the Fourth Proportional to 5,979.31, 8,251.34 and 3,326.70

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Solution

The fourth proportional to 5,979.31, 8,251.34 and 3,326.70 is: 4,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.31 : 8,251.34 = 3,326.70 : x
  2. Step 2: Convert to fraction form
    5,979.31/8,251.34 = 3,326.70/x
  3. Step 3: Cross multiply
    5,979.31x = 8,251.34 × 3,326.70
  4. Step 4: Simplify right side
    5,979.31x = 27,449,674.89
  5. Step 5: Solve for x
    x = 27,449,674.89/5,979.31
  6. Step 6: Final answer
    x = 4,590.78

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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.