Home / 5,514.30-7,611.90-3,836.68

Finding the Fourth Proportional to 5,514.30, 7,611.90 and 3,836.68

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Solution

The fourth proportional to 5,514.30, 7,611.90 and 3,836.68 is: 5,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.30 : 7,611.90 = 3,836.68 : x
  2. Step 2: Convert to fraction form
    5,514.30/7,611.90 = 3,836.68/x
  3. Step 3: Cross multiply
    5,514.30x = 7,611.90 × 3,836.68
  4. Step 4: Simplify right side
    5,514.30x = 29,204,424.49
  5. Step 5: Solve for x
    x = 29,204,424.49/5,514.30
  6. Step 6: Final answer
    x = 5,296.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.