Home / 6,979.68-10,468.74-2,049.36

Finding the Fourth Proportional to 6,979.68, 10,468.74 and 2,049.36

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Solution

The fourth proportional to 6,979.68, 10,468.74 and 2,049.36 is: 3,073.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.68 : 10,468.74 = 2,049.36 : x
  2. Step 2: Convert to fraction form
    6,979.68/10,468.74 = 2,049.36/x
  3. Step 3: Cross multiply
    6,979.68x = 10,468.74 × 2,049.36
  4. Step 4: Simplify right side
    6,979.68x = 21,454,217.01
  5. Step 5: Solve for x
    x = 21,454,217.01/6,979.68
  6. Step 6: Final answer
    x = 3,073.81

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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.