Home / 4,331.79-5,975.39-3,003.21

Finding the Fourth Proportional to 4,331.79, 5,975.39 and 3,003.21

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Solution

The fourth proportional to 4,331.79, 5,975.39 and 3,003.21 is: 4,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.79 : 5,975.39 = 3,003.21 : x
  2. Step 2: Convert to fraction form
    4,331.79/5,975.39 = 3,003.21/x
  3. Step 3: Cross multiply
    4,331.79x = 5,975.39 × 3,003.21
  4. Step 4: Simplify right side
    4,331.79x = 17,945,335.99
  5. Step 5: Solve for x
    x = 17,945,335.99/4,331.79
  6. Step 6: Final answer
    x = 4,142.71

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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.