Home / 4,144.53-5,721.56-3,198.20

Finding the Fourth Proportional to 4,144.53, 5,721.56 and 3,198.20

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Solution

The fourth proportional to 4,144.53, 5,721.56 and 3,198.20 is: 4,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.53 : 5,721.56 = 3,198.20 : x
  2. Step 2: Convert to fraction form
    4,144.53/5,721.56 = 3,198.20/x
  3. Step 3: Cross multiply
    4,144.53x = 5,721.56 × 3,198.20
  4. Step 4: Simplify right side
    4,144.53x = 18,298,693.19
  5. Step 5: Solve for x
    x = 18,298,693.19/4,144.53
  6. Step 6: Final answer
    x = 4,415.14

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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.