Home / 7,676.30-11,514.45-2,131.04

Finding the Fourth Proportional to 7,676.30, 11,514.45 and 2,131.04

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Solution

The fourth proportional to 7,676.30, 11,514.45 and 2,131.04 is: 3,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.30 : 11,514.45 = 2,131.04 : x
  2. Step 2: Convert to fraction form
    7,676.30/11,514.45 = 2,131.04/x
  3. Step 3: Cross multiply
    7,676.30x = 11,514.45 × 2,131.04
  4. Step 4: Simplify right side
    7,676.30x = 24,537,753.53
  5. Step 5: Solve for x
    x = 24,537,753.53/7,676.30
  6. Step 6: Final answer
    x = 3,196.56

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Similar ratio
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1.5x scale

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.