Home / 8,260.05-12,387.46-2,712.11

Finding the Fourth Proportional to 8,260.05, 12,387.46 and 2,712.11

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Solution

The fourth proportional to 8,260.05, 12,387.46 and 2,712.11 is: 4,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.05 : 12,387.46 = 2,712.11 : x
  2. Step 2: Convert to fraction form
    8,260.05/12,387.46 = 2,712.11/x
  3. Step 3: Cross multiply
    8,260.05x = 12,387.46 × 2,712.11
  4. Step 4: Simplify right side
    8,260.05x = 33,596,117.72
  5. Step 5: Solve for x
    x = 33,596,117.72/8,260.05
  6. Step 6: Final answer
    x = 4,067.30

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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.