Home / 6,814.20-10,213.82-3,886.04

Finding the Fourth Proportional to 6,814.20, 10,213.82 and 3,886.04

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Solution

The fourth proportional to 6,814.20, 10,213.82 and 3,886.04 is: 5,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.20 : 10,213.82 = 3,886.04 : x
  2. Step 2: Convert to fraction form
    6,814.20/10,213.82 = 3,886.04/x
  3. Step 3: Cross multiply
    6,814.20x = 10,213.82 × 3,886.04
  4. Step 4: Simplify right side
    6,814.20x = 39,691,313.07
  5. Step 5: Solve for x
    x = 39,691,313.07/6,814.20
  6. Step 6: Final answer
    x = 5,824.79

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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.