Home / 4,215.25-5,822.22-3,157.75

Finding the Fourth Proportional to 4,215.25, 5,822.22 and 3,157.75

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Solution

The fourth proportional to 4,215.25, 5,822.22 and 3,157.75 is: 4,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.25 : 5,822.22 = 3,157.75 : x
  2. Step 2: Convert to fraction form
    4,215.25/5,822.22 = 3,157.75/x
  3. Step 3: Cross multiply
    4,215.25x = 5,822.22 × 3,157.75
  4. Step 4: Simplify right side
    4,215.25x = 18,385,107.54
  5. Step 5: Solve for x
    x = 18,385,107.54/4,215.25
  6. Step 6: Final answer
    x = 4,361.57

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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.