Home / 6,122.57-8,450.94-3,998.43

Finding the Fourth Proportional to 6,122.57, 8,450.94 and 3,998.43

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Solution

The fourth proportional to 6,122.57, 8,450.94 and 3,998.43 is: 5,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.57 : 8,450.94 = 3,998.43 : x
  2. Step 2: Convert to fraction form
    6,122.57/8,450.94 = 3,998.43/x
  3. Step 3: Cross multiply
    6,122.57x = 8,450.94 × 3,998.43
  4. Step 4: Simplify right side
    6,122.57x = 33,790,449.77
  5. Step 5: Solve for x
    x = 33,790,449.77/6,122.57
  6. Step 6: Final answer
    x = 5,519.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.