Home / 5,156.09-7,735.52-2,380.49

Finding the Fourth Proportional to 5,156.09, 7,735.52 and 2,380.49

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Solution

The fourth proportional to 5,156.09, 7,735.52 and 2,380.49 is: 3,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.09 : 7,735.52 = 2,380.49 : x
  2. Step 2: Convert to fraction form
    5,156.09/7,735.52 = 2,380.49/x
  3. Step 3: Cross multiply
    5,156.09x = 7,735.52 × 2,380.49
  4. Step 4: Simplify right side
    5,156.09x = 18,414,295.28
  5. Step 5: Solve for x
    x = 18,414,295.28/5,156.09
  6. Step 6: Final answer
    x = 3,571.37

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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.