Home / 4,811.75-7,217.79-2,471.12

Finding the Fourth Proportional to 4,811.75, 7,217.79 and 2,471.12

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Solution

The fourth proportional to 4,811.75, 7,217.79 and 2,471.12 is: 3,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.75 : 7,217.79 = 2,471.12 : x
  2. Step 2: Convert to fraction form
    4,811.75/7,217.79 = 2,471.12/x
  3. Step 3: Cross multiply
    4,811.75x = 7,217.79 × 2,471.12
  4. Step 4: Simplify right side
    4,811.75x = 17,836,025.22
  5. Step 5: Solve for x
    x = 17,836,025.22/4,811.75
  6. Step 6: Final answer
    x = 3,706.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.