Home / 4,391.20-6,058.80-2,821.44

Finding the Fourth Proportional to 4,391.20, 6,058.80 and 2,821.44

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Solution

The fourth proportional to 4,391.20, 6,058.80 and 2,821.44 is: 3,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.20 : 6,058.80 = 2,821.44 : x
  2. Step 2: Convert to fraction form
    4,391.20/6,058.80 = 2,821.44/x
  3. Step 3: Cross multiply
    4,391.20x = 6,058.80 × 2,821.44
  4. Step 4: Simplify right side
    4,391.20x = 17,094,540.67
  5. Step 5: Solve for x
    x = 17,094,540.67/4,391.20
  6. Step 6: Final answer
    x = 3,892.91

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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.