Home / 7,391.14-11,087.39-2,947.73

Finding the Fourth Proportional to 7,391.14, 11,087.39 and 2,947.73

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Solution

The fourth proportional to 7,391.14, 11,087.39 and 2,947.73 is: 4,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.14 : 11,087.39 = 2,947.73 : x
  2. Step 2: Convert to fraction form
    7,391.14/11,087.39 = 2,947.73/x
  3. Step 3: Cross multiply
    7,391.14x = 11,087.39 × 2,947.73
  4. Step 4: Simplify right side
    7,391.14x = 32,682,584.06
  5. Step 5: Solve for x
    x = 32,682,584.06/7,391.14
  6. Step 6: Final answer
    x = 4,421.86

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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.