Home / 8,198.13-12,297.18-3,515.11

Finding the Fourth Proportional to 8,198.13, 12,297.18 and 3,515.11

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Solution

The fourth proportional to 8,198.13, 12,297.18 and 3,515.11 is: 5,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.13 : 12,297.18 = 3,515.11 : x
  2. Step 2: Convert to fraction form
    8,198.13/12,297.18 = 3,515.11/x
  3. Step 3: Cross multiply
    8,198.13x = 12,297.18 × 3,515.11
  4. Step 4: Simplify right side
    8,198.13x = 43,225,922.83
  5. Step 5: Solve for x
    x = 43,225,922.83/8,198.13
  6. Step 6: Final answer
    x = 5,272.65

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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.