Home / 7,676.79-11,519.60-3,234.11

Finding the Fourth Proportional to 7,676.79, 11,519.60 and 3,234.11

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Solution

The fourth proportional to 7,676.79, 11,519.60 and 3,234.11 is: 4,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.79 : 11,519.60 = 3,234.11 : x
  2. Step 2: Convert to fraction form
    7,676.79/11,519.60 = 3,234.11/x
  3. Step 3: Cross multiply
    7,676.79x = 11,519.60 × 3,234.11
  4. Step 4: Simplify right side
    7,676.79x = 37,255,653.56
  5. Step 5: Solve for x
    x = 37,255,653.56/7,676.79
  6. Step 6: Final answer
    x = 4,853.02

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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.