Home / 4,067.40-6,086.70-3,721.80

Finding the Fourth Proportional to 4,067.40, 6,086.70 and 3,721.80

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Solution

The fourth proportional to 4,067.40, 6,086.70 and 3,721.80 is: 5,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.40 : 6,086.70 = 3,721.80 : x
  2. Step 2: Convert to fraction form
    4,067.40/6,086.70 = 3,721.80/x
  3. Step 3: Cross multiply
    4,067.40x = 6,086.70 × 3,721.80
  4. Step 4: Simplify right side
    4,067.40x = 22,653,480.06
  5. Step 5: Solve for x
    x = 22,653,480.06/4,067.40
  6. Step 6: Final answer
    x = 5,569.52

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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.