Home / 4,027.27-5,561.86-2,771.57

Finding the Fourth Proportional to 4,027.27, 5,561.86 and 2,771.57

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Solution

The fourth proportional to 4,027.27, 5,561.86 and 2,771.57 is: 3,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,027.27 : 5,561.86 = 2,771.57 : x
  2. Step 2: Convert to fraction form
    4,027.27/5,561.86 = 2,771.57/x
  3. Step 3: Cross multiply
    4,027.27x = 5,561.86 × 2,771.57
  4. Step 4: Simplify right side
    4,027.27x = 15,415,042.65
  5. Step 5: Solve for x
    x = 15,415,042.65/4,027.27
  6. Step 6: Final answer
    x = 3,827.67

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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.