Home / 6,676.20-10,016.70-2,781.80

Finding the Fourth Proportional to 6,676.20, 10,016.70 and 2,781.80

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Solution

The fourth proportional to 6,676.20, 10,016.70 and 2,781.80 is: 4,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,676.20 : 10,016.70 = 2,781.80 : x
  2. Step 2: Convert to fraction form
    6,676.20/10,016.70 = 2,781.80/x
  3. Step 3: Cross multiply
    6,676.20x = 10,016.70 × 2,781.80
  4. Step 4: Simplify right side
    6,676.20x = 27,864,456.06
  5. Step 5: Solve for x
    x = 27,864,456.06/6,676.20
  6. Step 6: Final answer
    x = 4,173.70

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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.