Home / 6,979.89-9,632.04-3,836.07

Finding the Fourth Proportional to 6,979.89, 9,632.04 and 3,836.07

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Solution

The fourth proportional to 6,979.89, 9,632.04 and 3,836.07 is: 5,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.89 : 9,632.04 = 3,836.07 : x
  2. Step 2: Convert to fraction form
    6,979.89/9,632.04 = 3,836.07/x
  3. Step 3: Cross multiply
    6,979.89x = 9,632.04 × 3,836.07
  4. Step 4: Simplify right side
    6,979.89x = 36,949,179.68
  5. Step 5: Solve for x
    x = 36,949,179.68/6,979.89
  6. Step 6: Final answer
    x = 5,293.66

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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.