Home / 6,660.89-9,191.97-3,676.85

Finding the Fourth Proportional to 6,660.89, 9,191.97 and 3,676.85

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Solution

The fourth proportional to 6,660.89, 9,191.97 and 3,676.85 is: 5,074.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.89 : 9,191.97 = 3,676.85 : x
  2. Step 2: Convert to fraction form
    6,660.89/9,191.97 = 3,676.85/x
  3. Step 3: Cross multiply
    6,660.89x = 9,191.97 × 3,676.85
  4. Step 4: Simplify right side
    6,660.89x = 33,797,448.93
  5. Step 5: Solve for x
    x = 33,797,448.93/6,660.89
  6. Step 6: Final answer
    x = 5,074.02

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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.