Home / 8,067.80-12,094.38-2,872.46

Finding the Fourth Proportional to 8,067.80, 12,094.38 and 2,872.46

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Solution

The fourth proportional to 8,067.80, 12,094.38 and 2,872.46 is: 4,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.80 : 12,094.38 = 2,872.46 : x
  2. Step 2: Convert to fraction form
    8,067.80/12,094.38 = 2,872.46/x
  3. Step 3: Cross multiply
    8,067.80x = 12,094.38 × 2,872.46
  4. Step 4: Simplify right side
    8,067.80x = 34,740,653.01
  5. Step 5: Solve for x
    x = 34,740,653.01/8,067.80
  6. Step 6: Final answer
    x = 4,306.09

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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.