Home / 5,781.11-8,671.73-2,082.51

Finding the Fourth Proportional to 5,781.11, 8,671.73 and 2,082.51

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Solution

The fourth proportional to 5,781.11, 8,671.73 and 2,082.51 is: 3,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.11 : 8,671.73 = 2,082.51 : x
  2. Step 2: Convert to fraction form
    5,781.11/8,671.73 = 2,082.51/x
  3. Step 3: Cross multiply
    5,781.11x = 8,671.73 × 2,082.51
  4. Step 4: Simplify right side
    5,781.11x = 18,058,954.03
  5. Step 5: Solve for x
    x = 18,058,954.03/5,781.11
  6. Step 6: Final answer
    x = 3,123.79

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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.