Home / 6,661.13-9,191.97-3,676.89

Finding the Fourth Proportional to 6,661.13, 9,191.97 and 3,676.89

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Solution

The fourth proportional to 6,661.13, 9,191.97 and 3,676.89 is: 5,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.13 : 9,191.97 = 3,676.89 : x
  2. Step 2: Convert to fraction form
    6,661.13/9,191.97 = 3,676.89/x
  3. Step 3: Cross multiply
    6,661.13x = 9,191.97 × 3,676.89
  4. Step 4: Simplify right side
    6,661.13x = 33,797,862.57
  5. Step 5: Solve for x
    x = 33,797,862.57/6,661.13
  6. Step 6: Final answer
    x = 5,073.89

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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.