Home / 6,581.42-9,872.65-2,198.89

Finding the Fourth Proportional to 6,581.42, 9,872.65 and 2,198.89

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Solution

The fourth proportional to 6,581.42, 9,872.65 and 2,198.89 is: 3,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.42 : 9,872.65 = 2,198.89 : x
  2. Step 2: Convert to fraction form
    6,581.42/9,872.65 = 2,198.89/x
  3. Step 3: Cross multiply
    6,581.42x = 9,872.65 × 2,198.89
  4. Step 4: Simplify right side
    6,581.42x = 21,708,878.20
  5. Step 5: Solve for x
    x = 21,708,878.20/6,581.42
  6. Step 6: Final answer
    x = 3,298.51

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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.