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Finding the Fourth Proportional to 8,379.38, 12,569.25 and 2,535.98

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Solution

The fourth proportional to 8,379.38, 12,569.25 and 2,535.98 is: 3,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.38 : 12,569.25 = 2,535.98 : x
  2. Step 2: Convert to fraction form
    8,379.38/12,569.25 = 2,535.98/x
  3. Step 3: Cross multiply
    8,379.38x = 12,569.25 × 2,535.98
  4. Step 4: Simplify right side
    8,379.38x = 31,875,366.62
  5. Step 5: Solve for x
    x = 31,875,366.62/8,379.38
  6. Step 6: Final answer
    x = 3,804.02

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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.