Home / 6,660.35-9,191.10-3,676.13

Finding the Fourth Proportional to 6,660.35, 9,191.10 and 3,676.13

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Solution

The fourth proportional to 6,660.35, 9,191.10 and 3,676.13 is: 5,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.35 : 9,191.10 = 3,676.13 : x
  2. Step 2: Convert to fraction form
    6,660.35/9,191.10 = 3,676.13/x
  3. Step 3: Cross multiply
    6,660.35x = 9,191.10 × 3,676.13
  4. Step 4: Simplify right side
    6,660.35x = 33,787,678.44
  5. Step 5: Solve for x
    x = 33,787,678.44/6,660.35
  6. Step 6: Final answer
    x = 5,072.96

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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.