Home / 7,654.22-11,481.39-2,107.87

Finding the Fourth Proportional to 7,654.22, 11,481.39 and 2,107.87

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Solution

The fourth proportional to 7,654.22, 11,481.39 and 2,107.87 is: 3,161.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.22 : 11,481.39 = 2,107.87 : x
  2. Step 2: Convert to fraction form
    7,654.22/11,481.39 = 2,107.87/x
  3. Step 3: Cross multiply
    7,654.22x = 11,481.39 × 2,107.87
  4. Step 4: Simplify right side
    7,654.22x = 24,201,277.54
  5. Step 5: Solve for x
    x = 24,201,277.54/7,654.22
  6. Step 6: Final answer
    x = 3,161.82

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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.