Home / 8,104.20-12,159.83-2,842.98

Finding the Fourth Proportional to 8,104.20, 12,159.83 and 2,842.98

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Solution

The fourth proportional to 8,104.20, 12,159.83 and 2,842.98 is: 4,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.20 : 12,159.83 = 2,842.98 : x
  2. Step 2: Convert to fraction form
    8,104.20/12,159.83 = 2,842.98/x
  3. Step 3: Cross multiply
    8,104.20x = 12,159.83 × 2,842.98
  4. Step 4: Simplify right side
    8,104.20x = 34,570,153.49
  5. Step 5: Solve for x
    x = 34,570,153.49/8,104.20
  6. Step 6: Final answer
    x = 4,265.71

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1.5x scale

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.