Home / 6,635.97-9,157.68-3,651.72

Finding the Fourth Proportional to 6,635.97, 9,157.68 and 3,651.72

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Solution

The fourth proportional to 6,635.97, 9,157.68 and 3,651.72 is: 5,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.97 : 9,157.68 = 3,651.72 : x
  2. Step 2: Convert to fraction form
    6,635.97/9,157.68 = 3,651.72/x
  3. Step 3: Cross multiply
    6,635.97x = 9,157.68 × 3,651.72
  4. Step 4: Simplify right side
    6,635.97x = 33,441,283.21
  5. Step 5: Solve for x
    x = 33,441,283.21/6,635.97
  6. Step 6: Final answer
    x = 5,039.40

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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.