Home / 6,979.92-9,632.24-3,836.08

Finding the Fourth Proportional to 6,979.92, 9,632.24 and 3,836.08

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Solution

The fourth proportional to 6,979.92, 9,632.24 and 3,836.08 is: 5,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.92 : 9,632.24 = 3,836.08 : x
  2. Step 2: Convert to fraction form
    6,979.92/9,632.24 = 3,836.08/x
  3. Step 3: Cross multiply
    6,979.92x = 9,632.24 × 3,836.08
  4. Step 4: Simplify right side
    6,979.92x = 36,950,043.22
  5. Step 5: Solve for x
    x = 36,950,043.22/6,979.92
  6. Step 6: Final answer
    x = 5,293.76

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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.