Home / 6,620.53-9,136.43-3,636.64

Finding the Fourth Proportional to 6,620.53, 9,136.43 and 3,636.64

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Solution

The fourth proportional to 6,620.53, 9,136.43 and 3,636.64 is: 5,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.53 : 9,136.43 = 3,636.64 : x
  2. Step 2: Convert to fraction form
    6,620.53/9,136.43 = 3,636.64/x
  3. Step 3: Cross multiply
    6,620.53x = 9,136.43 × 3,636.64
  4. Step 4: Simplify right side
    6,620.53x = 33,225,906.80
  5. Step 5: Solve for x
    x = 33,225,906.80/6,620.53
  6. Step 6: Final answer
    x = 5,018.62

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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.