Home / 7,441.72-11,163.42-2,511.76

Finding the Fourth Proportional to 7,441.72, 11,163.42 and 2,511.76

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Solution

The fourth proportional to 7,441.72, 11,163.42 and 2,511.76 is: 3,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.72 : 11,163.42 = 2,511.76 : x
  2. Step 2: Convert to fraction form
    7,441.72/11,163.42 = 2,511.76/x
  3. Step 3: Cross multiply
    7,441.72x = 11,163.42 × 2,511.76
  4. Step 4: Simplify right side
    7,441.72x = 28,039,824.84
  5. Step 5: Solve for x
    x = 28,039,824.84/7,441.72
  6. Step 6: Final answer
    x = 3,767.92

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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.