Home / 8,279.22-12,418.94-2,435.95

Finding the Fourth Proportional to 8,279.22, 12,418.94 and 2,435.95

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Solution

The fourth proportional to 8,279.22, 12,418.94 and 2,435.95 is: 3,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.22 : 12,418.94 = 2,435.95 : x
  2. Step 2: Convert to fraction form
    8,279.22/12,418.94 = 2,435.95/x
  3. Step 3: Cross multiply
    8,279.22x = 12,418.94 × 2,435.95
  4. Step 4: Simplify right side
    8,279.22x = 30,251,916.89
  5. Step 5: Solve for x
    x = 30,251,916.89/8,279.22
  6. Step 6: Final answer
    x = 3,653.96

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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.