Home / 7,351.20-11,028.24-3,190.50

Finding the Fourth Proportional to 7,351.20, 11,028.24 and 3,190.50

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Solution

The fourth proportional to 7,351.20, 11,028.24 and 3,190.50 is: 4,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.20 : 11,028.24 = 3,190.50 : x
  2. Step 2: Convert to fraction form
    7,351.20/11,028.24 = 3,190.50/x
  3. Step 3: Cross multiply
    7,351.20x = 11,028.24 × 3,190.50
  4. Step 4: Simplify right side
    7,351.20x = 35,185,599.72
  5. Step 5: Solve for x
    x = 35,185,599.72/7,351.20
  6. Step 6: Final answer
    x = 4,786.37

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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.