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Finding the Fourth Proportional to 8,250.35, 12,379.61 and 3,868.14

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Solution

The fourth proportional to 8,250.35, 12,379.61 and 3,868.14 is: 5,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.35 : 12,379.61 = 3,868.14 : x
  2. Step 2: Convert to fraction form
    8,250.35/12,379.61 = 3,868.14/x
  3. Step 3: Cross multiply
    8,250.35x = 12,379.61 × 3,868.14
  4. Step 4: Simplify right side
    8,250.35x = 47,886,045.28
  5. Step 5: Solve for x
    x = 47,886,045.28/8,250.35
  6. Step 6: Final answer
    x = 5,804.13

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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.