Home / 6,636.35-9,157.92-3,651.90

Finding the Fourth Proportional to 6,636.35, 9,157.92 and 3,651.90

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Solution

The fourth proportional to 6,636.35, 9,157.92 and 3,651.90 is: 5,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.35 : 9,157.92 = 3,651.90 : x
  2. Step 2: Convert to fraction form
    6,636.35/9,157.92 = 3,651.90/x
  3. Step 3: Cross multiply
    6,636.35x = 9,157.92 × 3,651.90
  4. Step 4: Simplify right side
    6,636.35x = 33,443,808.05
  5. Step 5: Solve for x
    x = 33,443,808.05/6,636.35
  6. Step 6: Final answer
    x = 5,039.49

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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.