Home / 7,835.78-11,753.11-3,676.70

Finding the Fourth Proportional to 7,835.78, 11,753.11 and 3,676.70

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Solution

The fourth proportional to 7,835.78, 11,753.11 and 3,676.70 is: 5,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.78 : 11,753.11 = 3,676.70 : x
  2. Step 2: Convert to fraction form
    7,835.78/11,753.11 = 3,676.70/x
  3. Step 3: Cross multiply
    7,835.78x = 11,753.11 × 3,676.70
  4. Step 4: Simplify right side
    7,835.78x = 43,212,659.54
  5. Step 5: Solve for x
    x = 43,212,659.54/7,835.78
  6. Step 6: Final answer
    x = 5,514.79

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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.