Home / 6,640.38-9,962.06-2,197.89

Finding the Fourth Proportional to 6,640.38, 9,962.06 and 2,197.89

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Solution

The fourth proportional to 6,640.38, 9,962.06 and 2,197.89 is: 3,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.38 : 9,962.06 = 2,197.89 : x
  2. Step 2: Convert to fraction form
    6,640.38/9,962.06 = 2,197.89/x
  3. Step 3: Cross multiply
    6,640.38x = 9,962.06 × 2,197.89
  4. Step 4: Simplify right side
    6,640.38x = 21,895,501.06
  5. Step 5: Solve for x
    x = 21,895,501.06/6,640.38
  6. Step 6: Final answer
    x = 3,297.33

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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.