Home / 6,581.38-9,872.16-2,198.84

Finding the Fourth Proportional to 6,581.38, 9,872.16 and 2,198.84

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Solution

The fourth proportional to 6,581.38, 9,872.16 and 2,198.84 is: 3,298.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.38 : 9,872.16 = 2,198.84 : x
  2. Step 2: Convert to fraction form
    6,581.38/9,872.16 = 2,198.84/x
  3. Step 3: Cross multiply
    6,581.38x = 9,872.16 × 2,198.84
  4. Step 4: Simplify right side
    6,581.38x = 21,707,300.29
  5. Step 5: Solve for x
    x = 21,707,300.29/6,581.38
  6. Step 6: Final answer
    x = 3,298.29

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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.