Home / 8,067.40-12,094.94-3,681.79

Finding the Fourth Proportional to 8,067.40, 12,094.94 and 3,681.79

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Solution

The fourth proportional to 8,067.40, 12,094.94 and 3,681.79 is: 5,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.40 : 12,094.94 = 3,681.79 : x
  2. Step 2: Convert to fraction form
    8,067.40/12,094.94 = 3,681.79/x
  3. Step 3: Cross multiply
    8,067.40x = 12,094.94 × 3,681.79
  4. Step 4: Simplify right side
    8,067.40x = 44,531,008.11
  5. Step 5: Solve for x
    x = 44,531,008.11/8,067.40
  6. Step 6: Final answer
    x = 5,519.87

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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.