Home / 7,676.55-11,514.82-2,131.29

Finding the Fourth Proportional to 7,676.55, 11,514.82 and 2,131.29

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Solution

The fourth proportional to 7,676.55, 11,514.82 and 2,131.29 is: 3,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.55 : 11,514.82 = 2,131.29 : x
  2. Step 2: Convert to fraction form
    7,676.55/11,514.82 = 2,131.29/x
  3. Step 3: Cross multiply
    7,676.55x = 11,514.82 × 2,131.29
  4. Step 4: Simplify right side
    7,676.55x = 24,541,420.72
  5. Step 5: Solve for x
    x = 24,541,420.72/7,676.55
  6. Step 6: Final answer
    x = 3,196.93

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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.