Home / 8,348.46-12,519.78-2,800.62

Finding the Fourth Proportional to 8,348.46, 12,519.78 and 2,800.62

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Solution

The fourth proportional to 8,348.46, 12,519.78 and 2,800.62 is: 4,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.46 : 12,519.78 = 2,800.62 : x
  2. Step 2: Convert to fraction form
    8,348.46/12,519.78 = 2,800.62/x
  3. Step 3: Cross multiply
    8,348.46x = 12,519.78 × 2,800.62
  4. Step 4: Simplify right side
    8,348.46x = 35,063,146.26
  5. Step 5: Solve for x
    x = 35,063,146.26/8,348.46
  6. Step 6: Final answer
    x = 4,199.95

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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.