Home / 4,391.76-6,058.80-2,819.28

Finding the Fourth Proportional to 4,391.76, 6,058.80 and 2,819.28

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Solution

The fourth proportional to 4,391.76, 6,058.80 and 2,819.28 is: 3,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.76 : 6,058.80 = 2,819.28 : x
  2. Step 2: Convert to fraction form
    4,391.76/6,058.80 = 2,819.28/x
  3. Step 3: Cross multiply
    4,391.76x = 6,058.80 × 2,819.28
  4. Step 4: Simplify right side
    4,391.76x = 17,081,453.66
  5. Step 5: Solve for x
    x = 17,081,453.66/4,391.76
  6. Step 6: Final answer
    x = 3,889.43

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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.