Home / 8,311.17-12,468.80-2,467.79

Finding the Fourth Proportional to 8,311.17, 12,468.80 and 2,467.79

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Solution

The fourth proportional to 8,311.17, 12,468.80 and 2,467.79 is: 3,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.17 : 12,468.80 = 2,467.79 : x
  2. Step 2: Convert to fraction form
    8,311.17/12,468.80 = 2,467.79/x
  3. Step 3: Cross multiply
    8,311.17x = 12,468.80 × 2,467.79
  4. Step 4: Simplify right side
    8,311.17x = 30,770,379.95
  5. Step 5: Solve for x
    x = 30,770,379.95/8,311.17
  6. Step 6: Final answer
    x = 3,702.29

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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.