Home / 4,221.97-6,329.72-2,578.93

Finding the Fourth Proportional to 4,221.97, 6,329.72 and 2,578.93

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Solution

The fourth proportional to 4,221.97, 6,329.72 and 2,578.93 is: 3,866.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.97 : 6,329.72 = 2,578.93 : x
  2. Step 2: Convert to fraction form
    4,221.97/6,329.72 = 2,578.93/x
  3. Step 3: Cross multiply
    4,221.97x = 6,329.72 × 2,578.93
  4. Step 4: Simplify right side
    4,221.97x = 16,323,891.90
  5. Step 5: Solve for x
    x = 16,323,891.90/4,221.97
  6. Step 6: Final answer
    x = 3,866.42

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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.