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Finding the Fourth Proportional to 6,383.44, 8,806.44 and 3,898

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Solution

The fourth proportional to 6,383.44, 8,806.44 and 3,898 is: 5,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.44 : 8,806.44 = 3,898 : x
  2. Step 2: Convert to fraction form
    6,383.44/8,806.44 = 3,898/x
  3. Step 3: Cross multiply
    6,383.44x = 8,806.44 × 3,898
  4. Step 4: Simplify right side
    6,383.44x = 34,327,503.12
  5. Step 5: Solve for x
    x = 34,327,503.12/6,383.44
  6. Step 6: Final answer
    x = 5,377.59

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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.