Home / 5,619.76-7,755.32-3,101.96

Finding the Fourth Proportional to 5,619.76, 7,755.32 and 3,101.96

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Solution

The fourth proportional to 5,619.76, 7,755.32 and 3,101.96 is: 4,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.76 : 7,755.32 = 3,101.96 : x
  2. Step 2: Convert to fraction form
    5,619.76/7,755.32 = 3,101.96/x
  3. Step 3: Cross multiply
    5,619.76x = 7,755.32 × 3,101.96
  4. Step 4: Simplify right side
    5,619.76x = 24,056,692.43
  5. Step 5: Solve for x
    x = 24,056,692.43/5,619.76
  6. Step 6: Final answer
    x = 4,280.73

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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.