Home / 6,504.21-9,757.32-2,120.64

Finding the Fourth Proportional to 6,504.21, 9,757.32 and 2,120.64

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Solution

The fourth proportional to 6,504.21, 9,757.32 and 2,120.64 is: 3,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,504.21 : 9,757.32 = 2,120.64 : x
  2. Step 2: Convert to fraction form
    6,504.21/9,757.32 = 2,120.64/x
  3. Step 3: Cross multiply
    6,504.21x = 9,757.32 × 2,120.64
  4. Step 4: Simplify right side
    6,504.21x = 20,691,763.08
  5. Step 5: Solve for x
    x = 20,691,763.08/6,504.21
  6. Step 6: Final answer
    x = 3,181.29

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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.