Home / 4,757.44-7,131.12-2,162.20

Finding the Fourth Proportional to 4,757.44, 7,131.12 and 2,162.20

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Solution

The fourth proportional to 4,757.44, 7,131.12 and 2,162.20 is: 3,241.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.44 : 7,131.12 = 2,162.20 : x
  2. Step 2: Convert to fraction form
    4,757.44/7,131.12 = 2,162.20/x
  3. Step 3: Cross multiply
    4,757.44x = 7,131.12 × 2,162.20
  4. Step 4: Simplify right side
    4,757.44x = 15,418,907.66
  5. Step 5: Solve for x
    x = 15,418,907.66/4,757.44
  6. Step 6: Final answer
    x = 3,241.01

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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.