Home / 4,912.26-6,778.83-2,816.22

Finding the Fourth Proportional to 4,912.26, 6,778.83 and 2,816.22

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Solution

The fourth proportional to 4,912.26, 6,778.83 and 2,816.22 is: 3,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.26 : 6,778.83 = 2,816.22 : x
  2. Step 2: Convert to fraction form
    4,912.26/6,778.83 = 2,816.22/x
  3. Step 3: Cross multiply
    4,912.26x = 6,778.83 × 2,816.22
  4. Step 4: Simplify right side
    4,912.26x = 19,090,676.62
  5. Step 5: Solve for x
    x = 19,090,676.62/4,912.26
  6. Step 6: Final answer
    x = 3,886.33

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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.