Home / 8,370.43-12,548.20-3,179.95

Finding the Fourth Proportional to 8,370.43, 12,548.20 and 3,179.95

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Solution

The fourth proportional to 8,370.43, 12,548.20 and 3,179.95 is: 4,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.43 : 12,548.20 = 3,179.95 : x
  2. Step 2: Convert to fraction form
    8,370.43/12,548.20 = 3,179.95/x
  3. Step 3: Cross multiply
    8,370.43x = 12,548.20 × 3,179.95
  4. Step 4: Simplify right side
    8,370.43x = 39,902,648.59
  5. Step 5: Solve for x
    x = 39,902,648.59/8,370.43
  6. Step 6: Final answer
    x = 4,767.10

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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.