Home / 6,635.80-9,157.62-3,651.94

Finding the Fourth Proportional to 6,635.80, 9,157.62 and 3,651.94

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Solution

The fourth proportional to 6,635.80, 9,157.62 and 3,651.94 is: 5,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.80 : 9,157.62 = 3,651.94 : x
  2. Step 2: Convert to fraction form
    6,635.80/9,157.62 = 3,651.94/x
  3. Step 3: Cross multiply
    6,635.80x = 9,157.62 × 3,651.94
  4. Step 4: Simplify right side
    6,635.80x = 33,443,078.78
  5. Step 5: Solve for x
    x = 33,443,078.78/6,635.80
  6. Step 6: Final answer
    x = 5,039.80

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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.