Home / 6,608.45-9,912.78-3,319.85

Finding the Fourth Proportional to 6,608.45, 9,912.78 and 3,319.85

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Solution

The fourth proportional to 6,608.45, 9,912.78 and 3,319.85 is: 4,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.45 : 9,912.78 = 3,319.85 : x
  2. Step 2: Convert to fraction form
    6,608.45/9,912.78 = 3,319.85/x
  3. Step 3: Cross multiply
    6,608.45x = 9,912.78 × 3,319.85
  4. Step 4: Simplify right side
    6,608.45x = 32,908,967.46
  5. Step 5: Solve for x
    x = 32,908,967.46/6,608.45
  6. Step 6: Final answer
    x = 4,979.83

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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.