Home / 4,398.98-6,067.79-3,072.20

Finding the Fourth Proportional to 4,398.98, 6,067.79 and 3,072.20

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Solution

The fourth proportional to 4,398.98, 6,067.79 and 3,072.20 is: 4,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.98 : 6,067.79 = 3,072.20 : x
  2. Step 2: Convert to fraction form
    4,398.98/6,067.79 = 3,072.20/x
  3. Step 3: Cross multiply
    4,398.98x = 6,067.79 × 3,072.20
  4. Step 4: Simplify right side
    4,398.98x = 18,641,464.44
  5. Step 5: Solve for x
    x = 18,641,464.44/4,398.98
  6. Step 6: Final answer
    x = 4,237.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.