Home / 4,021.29-5,550.93-3,910.32

Finding the Fourth Proportional to 4,021.29, 5,550.93 and 3,910.32

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Solution

The fourth proportional to 4,021.29, 5,550.93 and 3,910.32 is: 5,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.29 : 5,550.93 = 3,910.32 : x
  2. Step 2: Convert to fraction form
    4,021.29/5,550.93 = 3,910.32/x
  3. Step 3: Cross multiply
    4,021.29x = 5,550.93 × 3,910.32
  4. Step 4: Simplify right side
    4,021.29x = 21,705,912.60
  5. Step 5: Solve for x
    x = 21,705,912.60/4,021.29
  6. Step 6: Final answer
    x = 5,397.75

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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.