Home / 4,321.22-5,961.21-2,828.48

Finding the Fourth Proportional to 4,321.22, 5,961.21 and 2,828.48

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Solution

The fourth proportional to 4,321.22, 5,961.21 and 2,828.48 is: 3,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.22 : 5,961.21 = 2,828.48 : x
  2. Step 2: Convert to fraction form
    4,321.22/5,961.21 = 2,828.48/x
  3. Step 3: Cross multiply
    4,321.22x = 5,961.21 × 2,828.48
  4. Step 4: Simplify right side
    4,321.22x = 16,861,163.26
  5. Step 5: Solve for x
    x = 16,861,163.26/4,321.22
  6. Step 6: Final answer
    x = 3,901.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.