Home / 4,212.75-5,813.24-2,720.73

Finding the Fourth Proportional to 4,212.75, 5,813.24 and 2,720.73

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Solution

The fourth proportional to 4,212.75, 5,813.24 and 2,720.73 is: 3,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.75 : 5,813.24 = 2,720.73 : x
  2. Step 2: Convert to fraction form
    4,212.75/5,813.24 = 2,720.73/x
  3. Step 3: Cross multiply
    4,212.75x = 5,813.24 × 2,720.73
  4. Step 4: Simplify right side
    4,212.75x = 15,816,242.86
  5. Step 5: Solve for x
    x = 15,816,242.86/4,212.75
  6. Step 6: Final answer
    x = 3,754.37

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Half scale
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Double scale
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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.