Home / 7,991.22-11,989.26-2,795.88

Finding the Fourth Proportional to 7,991.22, 11,989.26 and 2,795.88

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Solution

The fourth proportional to 7,991.22, 11,989.26 and 2,795.88 is: 4,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.22 : 11,989.26 = 2,795.88 : x
  2. Step 2: Convert to fraction form
    7,991.22/11,989.26 = 2,795.88/x
  3. Step 3: Cross multiply
    7,991.22x = 11,989.26 × 2,795.88
  4. Step 4: Simplify right side
    7,991.22x = 33,520,532.25
  5. Step 5: Solve for x
    x = 33,520,532.25/7,991.22
  6. Step 6: Final answer
    x = 4,194.67

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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.