Home / 7,212.45-10,824.83-3,269.70

Finding the Fourth Proportional to 7,212.45, 10,824.83 and 3,269.70

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Solution

The fourth proportional to 7,212.45, 10,824.83 and 3,269.70 is: 4,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.45 : 10,824.83 = 3,269.70 : x
  2. Step 2: Convert to fraction form
    7,212.45/10,824.83 = 3,269.70/x
  3. Step 3: Cross multiply
    7,212.45x = 10,824.83 × 3,269.70
  4. Step 4: Simplify right side
    7,212.45x = 35,393,930.30
  5. Step 5: Solve for x
    x = 35,393,930.30/7,212.45
  6. Step 6: Final answer
    x = 4,907.34

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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.