Home / 5,058.11-6,980.18-2,819.68

Finding the Fourth Proportional to 5,058.11, 6,980.18 and 2,819.68

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Solution

The fourth proportional to 5,058.11, 6,980.18 and 2,819.68 is: 3,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.11 : 6,980.18 = 2,819.68 : x
  2. Step 2: Convert to fraction form
    5,058.11/6,980.18 = 2,819.68/x
  3. Step 3: Cross multiply
    5,058.11x = 6,980.18 × 2,819.68
  4. Step 4: Simplify right side
    5,058.11x = 19,681,842.39
  5. Step 5: Solve for x
    x = 19,681,842.39/5,058.11
  6. Step 6: Final answer
    x = 3,891.14

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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.