Home / 5,855.05-8,781.25-1,694.14

Finding the Fourth Proportional to 5,855.05, 8,781.25 and 1,694.14

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Solution

The fourth proportional to 5,855.05, 8,781.25 and 1,694.14 is: 2,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.05 : 8,781.25 = 1,694.14 : x
  2. Step 2: Convert to fraction form
    5,855.05/8,781.25 = 1,694.14/x
  3. Step 3: Cross multiply
    5,855.05x = 8,781.25 × 1,694.14
  4. Step 4: Simplify right side
    5,855.05x = 14,876,666.88
  5. Step 5: Solve for x
    x = 14,876,666.88/5,855.05
  6. Step 6: Final answer
    x = 2,540.83

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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.