Home / 7,939.67-11,896.97-2,935.17

Finding the Fourth Proportional to 7,939.67, 11,896.97 and 2,935.17

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Solution

The fourth proportional to 7,939.67, 11,896.97 and 2,935.17 is: 4,398.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.67 : 11,896.97 = 2,935.17 : x
  2. Step 2: Convert to fraction form
    7,939.67/11,896.97 = 2,935.17/x
  3. Step 3: Cross multiply
    7,939.67x = 11,896.97 × 2,935.17
  4. Step 4: Simplify right side
    7,939.67x = 34,919,614.76
  5. Step 5: Solve for x
    x = 34,919,614.76/7,939.67
  6. Step 6: Final answer
    x = 4,398.12

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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.