Home / 7,944.49-11,912.88-2,396.80

Finding the Fourth Proportional to 7,944.49, 11,912.88 and 2,396.80

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Solution

The fourth proportional to 7,944.49, 11,912.88 and 2,396.80 is: 3,594.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.49 : 11,912.88 = 2,396.80 : x
  2. Step 2: Convert to fraction form
    7,944.49/11,912.88 = 2,396.80/x
  3. Step 3: Cross multiply
    7,944.49x = 11,912.88 × 2,396.80
  4. Step 4: Simplify right side
    7,944.49x = 28,552,790.78
  5. Step 5: Solve for x
    x = 28,552,790.78/7,944.49
  6. Step 6: Final answer
    x = 3,594.04

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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.