Home / 7,272.20-10,906.74-3,322.34

Finding the Fourth Proportional to 7,272.20, 10,906.74 and 3,322.34

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Solution

The fourth proportional to 7,272.20, 10,906.74 and 3,322.34 is: 4,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.20 : 10,906.74 = 3,322.34 : x
  2. Step 2: Convert to fraction form
    7,272.20/10,906.74 = 3,322.34/x
  3. Step 3: Cross multiply
    7,272.20x = 10,906.74 × 3,322.34
  4. Step 4: Simplify right side
    7,272.20x = 36,235,898.57
  5. Step 5: Solve for x
    x = 36,235,898.57/7,272.20
  6. Step 6: Final answer
    x = 4,982.80

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1.5x scale

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.