Home / 4,150.05-5,729.25-3,203.79

Finding the Fourth Proportional to 4,150.05, 5,729.25 and 3,203.79

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Solution

The fourth proportional to 4,150.05, 5,729.25 and 3,203.79 is: 4,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.05 : 5,729.25 = 3,203.79 : x
  2. Step 2: Convert to fraction form
    4,150.05/5,729.25 = 3,203.79/x
  3. Step 3: Cross multiply
    4,150.05x = 5,729.25 × 3,203.79
  4. Step 4: Simplify right side
    4,150.05x = 18,355,313.86
  5. Step 5: Solve for x
    x = 18,355,313.86/4,150.05
  6. Step 6: Final answer
    x = 4,422.91

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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.