Home / 8,198.79-12,295.44-3,267.09

Finding the Fourth Proportional to 8,198.79, 12,295.44 and 3,267.09

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Solution

The fourth proportional to 8,198.79, 12,295.44 and 3,267.09 is: 4,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.79 : 12,295.44 = 3,267.09 : x
  2. Step 2: Convert to fraction form
    8,198.79/12,295.44 = 3,267.09/x
  3. Step 3: Cross multiply
    8,198.79x = 12,295.44 × 3,267.09
  4. Step 4: Simplify right side
    8,198.79x = 40,170,309.07
  5. Step 5: Solve for x
    x = 40,170,309.07/8,198.79
  6. Step 6: Final answer
    x = 4,899.54

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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.