Home / 5,383.11-8,073.32-3,818.55

Finding the Fourth Proportional to 5,383.11, 8,073.32 and 3,818.55

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Solution

The fourth proportional to 5,383.11, 8,073.32 and 3,818.55 is: 5,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.11 : 8,073.32 = 3,818.55 : x
  2. Step 2: Convert to fraction form
    5,383.11/8,073.32 = 3,818.55/x
  3. Step 3: Cross multiply
    5,383.11x = 8,073.32 × 3,818.55
  4. Step 4: Simplify right side
    5,383.11x = 30,828,356.99
  5. Step 5: Solve for x
    x = 30,828,356.99/5,383.11
  6. Step 6: Final answer
    x = 5,726.87

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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.