Home / 6,408.90-8,844.32-3,756.36

Finding the Fourth Proportional to 6,408.90, 8,844.32 and 3,756.36

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Solution

The fourth proportional to 6,408.90, 8,844.32 and 3,756.36 is: 5,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.90 : 8,844.32 = 3,756.36 : x
  2. Step 2: Convert to fraction form
    6,408.90/8,844.32 = 3,756.36/x
  3. Step 3: Cross multiply
    6,408.90x = 8,844.32 × 3,756.36
  4. Step 4: Simplify right side
    6,408.90x = 33,222,449.88
  5. Step 5: Solve for x
    x = 33,222,449.88/6,408.90
  6. Step 6: Final answer
    x = 5,183.80

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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.