Home / 7,881.92-11,824.61-2,335.70

Finding the Fourth Proportional to 7,881.92, 11,824.61 and 2,335.70

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Solution

The fourth proportional to 7,881.92, 11,824.61 and 2,335.70 is: 3,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.92 : 11,824.61 = 2,335.70 : x
  2. Step 2: Convert to fraction form
    7,881.92/11,824.61 = 2,335.70/x
  3. Step 3: Cross multiply
    7,881.92x = 11,824.61 × 2,335.70
  4. Step 4: Simplify right side
    7,881.92x = 27,618,757.00
  5. Step 5: Solve for x
    x = 27,618,757.00/7,881.92
  6. Step 6: Final answer
    x = 3,504.06

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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.