Home / 5,081.31-7,625.30-1,794.39

Finding the Fourth Proportional to 5,081.31, 7,625.30 and 1,794.39

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Solution

The fourth proportional to 5,081.31, 7,625.30 and 1,794.39 is: 2,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.31 : 7,625.30 = 1,794.39 : x
  2. Step 2: Convert to fraction form
    5,081.31/7,625.30 = 1,794.39/x
  3. Step 3: Cross multiply
    5,081.31x = 7,625.30 × 1,794.39
  4. Step 4: Simplify right side
    5,081.31x = 13,682,753.10
  5. Step 5: Solve for x
    x = 13,682,753.10/5,081.31
  6. Step 6: Final answer
    x = 2,692.76

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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.