Home / 4,022.73-5,553.81-3,186.81

Finding the Fourth Proportional to 4,022.73, 5,553.81 and 3,186.81

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Solution

The fourth proportional to 4,022.73, 5,553.81 and 3,186.81 is: 4,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.73 : 5,553.81 = 3,186.81 : x
  2. Step 2: Convert to fraction form
    4,022.73/5,553.81 = 3,186.81/x
  3. Step 3: Cross multiply
    4,022.73x = 5,553.81 × 3,186.81
  4. Step 4: Simplify right side
    4,022.73x = 17,698,937.25
  5. Step 5: Solve for x
    x = 17,698,937.25/4,022.73
  6. Step 6: Final answer
    x = 4,399.73

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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.