Home / 7,399.50-11,102.69-3,238.96

Finding the Fourth Proportional to 7,399.50, 11,102.69 and 3,238.96

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Solution

The fourth proportional to 7,399.50, 11,102.69 and 3,238.96 is: 4,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.50 : 11,102.69 = 3,238.96 : x
  2. Step 2: Convert to fraction form
    7,399.50/11,102.69 = 3,238.96/x
  3. Step 3: Cross multiply
    7,399.50x = 11,102.69 × 3,238.96
  4. Step 4: Simplify right side
    7,399.50x = 35,961,149.14
  5. Step 5: Solve for x
    x = 35,961,149.14/7,399.50
  6. Step 6: Final answer
    x = 4,859.94

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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.