Home / 6,979.92-9,632.77-3,836.11

Finding the Fourth Proportional to 6,979.92, 9,632.77 and 3,836.11

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Solution

The fourth proportional to 6,979.92, 9,632.77 and 3,836.11 is: 5,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.92 : 9,632.77 = 3,836.11 : x
  2. Step 2: Convert to fraction form
    6,979.92/9,632.77 = 3,836.11/x
  3. Step 3: Cross multiply
    6,979.92x = 9,632.77 × 3,836.11
  4. Step 4: Simplify right side
    6,979.92x = 36,952,371.29
  5. Step 5: Solve for x
    x = 36,952,371.29/6,979.92
  6. Step 6: Final answer
    x = 5,294.10

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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.