Home / 5,213.82-7,195.05-2,823.78

Finding the Fourth Proportional to 5,213.82, 7,195.05 and 2,823.78

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Solution

The fourth proportional to 5,213.82, 7,195.05 and 2,823.78 is: 3,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.82 : 7,195.05 = 2,823.78 : x
  2. Step 2: Convert to fraction form
    5,213.82/7,195.05 = 2,823.78/x
  3. Step 3: Cross multiply
    5,213.82x = 7,195.05 × 2,823.78
  4. Step 4: Simplify right side
    5,213.82x = 20,317,238.29
  5. Step 5: Solve for x
    x = 20,317,238.29/5,213.82
  6. Step 6: Final answer
    x = 3,896.80

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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.