Home / 5,078.09-7,614.06-3,320.97

Finding the Fourth Proportional to 5,078.09, 7,614.06 and 3,320.97

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Solution

The fourth proportional to 5,078.09, 7,614.06 and 3,320.97 is: 4,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.09 : 7,614.06 = 3,320.97 : x
  2. Step 2: Convert to fraction form
    5,078.09/7,614.06 = 3,320.97/x
  3. Step 3: Cross multiply
    5,078.09x = 7,614.06 × 3,320.97
  4. Step 4: Simplify right side
    5,078.09x = 25,286,052.38
  5. Step 5: Solve for x
    x = 25,286,052.38/5,078.09
  6. Step 6: Final answer
    x = 4,979.44

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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.