Home / 3,960.37-5,453.11-3,517.50

Finding the Fourth Proportional to 3,960.37, 5,453.11 and 3,517.50

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Solution

The fourth proportional to 3,960.37, 5,453.11 and 3,517.50 is: 4,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.37 : 5,453.11 = 3,517.50 : x
  2. Step 2: Convert to fraction form
    3,960.37/5,453.11 = 3,517.50/x
  3. Step 3: Cross multiply
    3,960.37x = 5,453.11 × 3,517.50
  4. Step 4: Simplify right side
    3,960.37x = 19,181,318.99
  5. Step 5: Solve for x
    x = 19,181,318.99/3,960.37
  6. Step 6: Final answer
    x = 4,843.32

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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.