Home / 4,256.75-6,380.39-3,213.37

Finding the Fourth Proportional to 4,256.75, 6,380.39 and 3,213.37

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Solution

The fourth proportional to 4,256.75, 6,380.39 and 3,213.37 is: 4,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.75 : 6,380.39 = 3,213.37 : x
  2. Step 2: Convert to fraction form
    4,256.75/6,380.39 = 3,213.37/x
  3. Step 3: Cross multiply
    4,256.75x = 6,380.39 × 3,213.37
  4. Step 4: Simplify right side
    4,256.75x = 20,502,553.81
  5. Step 5: Solve for x
    x = 20,502,553.81/4,256.75
  6. Step 6: Final answer
    x = 4,816.48

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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.