Home / 6,338.62-9,505.05-2,638.64

Finding the Fourth Proportional to 6,338.62, 9,505.05 and 2,638.64

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Solution

The fourth proportional to 6,338.62, 9,505.05 and 2,638.64 is: 3,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.62 : 9,505.05 = 2,638.64 : x
  2. Step 2: Convert to fraction form
    6,338.62/9,505.05 = 2,638.64/x
  3. Step 3: Cross multiply
    6,338.62x = 9,505.05 × 2,638.64
  4. Step 4: Simplify right side
    6,338.62x = 25,080,419.00
  5. Step 5: Solve for x
    x = 25,080,419.00/6,338.62
  6. Step 6: Final answer
    x = 3,956.76

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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.