Home / 5,855.18-8,781.41-1,694.07

Finding the Fourth Proportional to 5,855.18, 8,781.41 and 1,694.07

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Solution

The fourth proportional to 5,855.18, 8,781.41 and 1,694.07 is: 2,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.18 : 8,781.41 = 1,694.07 : x
  2. Step 2: Convert to fraction form
    5,855.18/8,781.41 = 1,694.07/x
  3. Step 3: Cross multiply
    5,855.18x = 8,781.41 × 1,694.07
  4. Step 4: Simplify right side
    5,855.18x = 14,876,347.70
  5. Step 5: Solve for x
    x = 14,876,347.70/5,855.18
  6. Step 6: Final answer
    x = 2,540.71

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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.