Home / 7,936.26-11,905.61-2,388.87

Finding the Fourth Proportional to 7,936.26, 11,905.61 and 2,388.87

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Solution

The fourth proportional to 7,936.26, 11,905.61 and 2,388.87 is: 3,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.26 : 11,905.61 = 2,388.87 : x
  2. Step 2: Convert to fraction form
    7,936.26/11,905.61 = 2,388.87/x
  3. Step 3: Cross multiply
    7,936.26x = 11,905.61 × 2,388.87
  4. Step 4: Simplify right side
    7,936.26x = 28,440,942.62
  5. Step 5: Solve for x
    x = 28,440,942.62/7,936.26
  6. Step 6: Final answer
    x = 3,583.67

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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.