Home / 6,620.64-9,136.68-3,636.66

Finding the Fourth Proportional to 6,620.64, 9,136.68 and 3,636.66

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Solution

The fourth proportional to 6,620.64, 9,136.68 and 3,636.66 is: 5,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.64 : 9,136.68 = 3,636.66 : x
  2. Step 2: Convert to fraction form
    6,620.64/9,136.68 = 3,636.66/x
  3. Step 3: Cross multiply
    6,620.64x = 9,136.68 × 3,636.66
  4. Step 4: Simplify right side
    6,620.64x = 33,226,998.69
  5. Step 5: Solve for x
    x = 33,226,998.69/6,620.64
  6. Step 6: Final answer
    x = 5,018.70

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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.