Home / 6,979.76-10,469.34-2,049.56

Finding the Fourth Proportional to 6,979.76, 10,469.34 and 2,049.56

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Solution

The fourth proportional to 6,979.76, 10,469.34 and 2,049.56 is: 3,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.76 : 10,469.34 = 2,049.56 : x
  2. Step 2: Convert to fraction form
    6,979.76/10,469.34 = 2,049.56/x
  3. Step 3: Cross multiply
    6,979.76x = 10,469.34 × 2,049.56
  4. Step 4: Simplify right side
    6,979.76x = 21,457,540.49
  5. Step 5: Solve for x
    x = 21,457,540.49/6,979.76
  6. Step 6: Final answer
    x = 3,074.25

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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.