Home / 7,704.45-11,550.60-3,318.30

Finding the Fourth Proportional to 7,704.45, 11,550.60 and 3,318.30

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Solution

The fourth proportional to 7,704.45, 11,550.60 and 3,318.30 is: 4,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.45 : 11,550.60 = 3,318.30 : x
  2. Step 2: Convert to fraction form
    7,704.45/11,550.60 = 3,318.30/x
  3. Step 3: Cross multiply
    7,704.45x = 11,550.60 × 3,318.30
  4. Step 4: Simplify right side
    7,704.45x = 38,328,355.98
  5. Step 5: Solve for x
    x = 38,328,355.98/7,704.45
  6. Step 6: Final answer
    x = 4,974.83

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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.