Home / 7,221.12-10,833.30-2,604.12

Finding the Fourth Proportional to 7,221.12, 10,833.30 and 2,604.12

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Solution

The fourth proportional to 7,221.12, 10,833.30 and 2,604.12 is: 3,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.12 : 10,833.30 = 2,604.12 : x
  2. Step 2: Convert to fraction form
    7,221.12/10,833.30 = 2,604.12/x
  3. Step 3: Cross multiply
    7,221.12x = 10,833.30 × 2,604.12
  4. Step 4: Simplify right side
    7,221.12x = 28,211,213.20
  5. Step 5: Solve for x
    x = 28,211,213.20/7,221.12
  6. Step 6: Final answer
    x = 3,906.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.