Home / 6,979.74-10,475.08-3,086.88

Finding the Fourth Proportional to 6,979.74, 10,475.08 and 3,086.88

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Solution

The fourth proportional to 6,979.74, 10,475.08 and 3,086.88 is: 4,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.74 : 10,475.08 = 3,086.88 : x
  2. Step 2: Convert to fraction form
    6,979.74/10,475.08 = 3,086.88/x
  3. Step 3: Cross multiply
    6,979.74x = 10,475.08 × 3,086.88
  4. Step 4: Simplify right side
    6,979.74x = 32,335,314.95
  5. Step 5: Solve for x
    x = 32,335,314.95/6,979.74
  6. Step 6: Final answer
    x = 4,632.74

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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.