Home / 4,121.81-6,177.24-3,571.43

Finding the Fourth Proportional to 4,121.81, 6,177.24 and 3,571.43

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Solution

The fourth proportional to 4,121.81, 6,177.24 and 3,571.43 is: 5,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.81 : 6,177.24 = 3,571.43 : x
  2. Step 2: Convert to fraction form
    4,121.81/6,177.24 = 3,571.43/x
  3. Step 3: Cross multiply
    4,121.81x = 6,177.24 × 3,571.43
  4. Step 4: Simplify right side
    4,121.81x = 22,061,580.25
  5. Step 5: Solve for x
    x = 22,061,580.25/4,121.81
  6. Step 6: Final answer
    x = 5,352.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.