Home / 6,418.44-9,629.24-3,788.12

Finding the Fourth Proportional to 6,418.44, 9,629.24 and 3,788.12

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Solution

The fourth proportional to 6,418.44, 9,629.24 and 3,788.12 is: 5,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.44 : 9,629.24 = 3,788.12 : x
  2. Step 2: Convert to fraction form
    6,418.44/9,629.24 = 3,788.12/x
  3. Step 3: Cross multiply
    6,418.44x = 9,629.24 × 3,788.12
  4. Step 4: Simplify right side
    6,418.44x = 36,476,716.63
  5. Step 5: Solve for x
    x = 36,476,716.63/6,418.44
  6. Step 6: Final answer
    x = 5,683.11

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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.