Home / 7,943.91-11,913.07-3,262.56

Finding the Fourth Proportional to 7,943.91, 11,913.07 and 3,262.56

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Solution

The fourth proportional to 7,943.91, 11,913.07 and 3,262.56 is: 4,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.91 : 11,913.07 = 3,262.56 : x
  2. Step 2: Convert to fraction form
    7,943.91/11,913.07 = 3,262.56/x
  3. Step 3: Cross multiply
    7,943.91x = 11,913.07 × 3,262.56
  4. Step 4: Simplify right side
    7,943.91x = 38,867,105.66
  5. Step 5: Solve for x
    x = 38,867,105.66/7,943.91
  6. Step 6: Final answer
    x = 4,892.69

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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.