Home / 5,364.30-8,042.70-3,171.90

Finding the Fourth Proportional to 5,364.30, 8,042.70 and 3,171.90

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Solution

The fourth proportional to 5,364.30, 8,042.70 and 3,171.90 is: 4,755.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.30 : 8,042.70 = 3,171.90 : x
  2. Step 2: Convert to fraction form
    5,364.30/8,042.70 = 3,171.90/x
  3. Step 3: Cross multiply
    5,364.30x = 8,042.70 × 3,171.90
  4. Step 4: Simplify right side
    5,364.30x = 25,510,640.13
  5. Step 5: Solve for x
    x = 25,510,640.13/5,364.30
  6. Step 6: Final answer
    x = 4,755.63

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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.