Home / 5,619.72-7,755.11-3,101.83

Finding the Fourth Proportional to 5,619.72, 7,755.11 and 3,101.83

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Solution

The fourth proportional to 5,619.72, 7,755.11 and 3,101.83 is: 4,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.72 : 7,755.11 = 3,101.83 : x
  2. Step 2: Convert to fraction form
    5,619.72/7,755.11 = 3,101.83/x
  3. Step 3: Cross multiply
    5,619.72x = 7,755.11 × 3,101.83
  4. Step 4: Simplify right side
    5,619.72x = 24,055,027.03
  5. Step 5: Solve for x
    x = 24,055,027.03/5,619.72
  6. Step 6: Final answer
    x = 4,280.47

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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.