Home / 7,930.38-11,897.39-2,736.25

Finding the Fourth Proportional to 7,930.38, 11,897.39 and 2,736.25

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Solution

The fourth proportional to 7,930.38, 11,897.39 and 2,736.25 is: 4,105.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.38 : 11,897.39 = 2,736.25 : x
  2. Step 2: Convert to fraction form
    7,930.38/11,897.39 = 2,736.25/x
  3. Step 3: Cross multiply
    7,930.38x = 11,897.39 × 2,736.25
  4. Step 4: Simplify right side
    7,930.38x = 32,554,233.39
  5. Step 5: Solve for x
    x = 32,554,233.39/7,930.38
  6. Step 6: Final answer
    x = 4,105.00

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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.