Home / 8,131.06-12,198.29-4,622.68

Finding the Fourth Proportional to 8,131.06, 12,198.29 and 4,622.68

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Solution

The fourth proportional to 8,131.06, 12,198.29 and 4,622.68 is: 6,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.06 : 12,198.29 = 4,622.68 : x
  2. Step 2: Convert to fraction form
    8,131.06/12,198.29 = 4,622.68/x
  3. Step 3: Cross multiply
    8,131.06x = 12,198.29 × 4,622.68
  4. Step 4: Simplify right side
    8,131.06x = 56,388,791.22
  5. Step 5: Solve for x
    x = 56,388,791.22/8,131.06
  6. Step 6: Final answer
    x = 6,934.99

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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.