Home / 5,485.05-8,229.09-2,198.17

Finding the Fourth Proportional to 5,485.05, 8,229.09 and 2,198.17

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Solution

The fourth proportional to 5,485.05, 8,229.09 and 2,198.17 is: 3,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.05 : 8,229.09 = 2,198.17 : x
  2. Step 2: Convert to fraction form
    5,485.05/8,229.09 = 2,198.17/x
  3. Step 3: Cross multiply
    5,485.05x = 8,229.09 × 2,198.17
  4. Step 4: Simplify right side
    5,485.05x = 18,088,957.29
  5. Step 5: Solve for x
    x = 18,088,957.29/5,485.05
  6. Step 6: Final answer
    x = 3,297.87

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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.