Home / 4,919.16-7,380.24-2,144.52

Finding the Fourth Proportional to 4,919.16, 7,380.24 and 2,144.52

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Solution

The fourth proportional to 4,919.16, 7,380.24 and 2,144.52 is: 3,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.16 : 7,380.24 = 2,144.52 : x
  2. Step 2: Convert to fraction form
    4,919.16/7,380.24 = 2,144.52/x
  3. Step 3: Cross multiply
    4,919.16x = 7,380.24 × 2,144.52
  4. Step 4: Simplify right side
    4,919.16x = 15,827,072.28
  5. Step 5: Solve for x
    x = 15,827,072.28/4,919.16
  6. Step 6: Final answer
    x = 3,217.43

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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.