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Finding the Fourth Proportional to 6,664.29, 9,996.14 and 2,221.65

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Solution

The fourth proportional to 6,664.29, 9,996.14 and 2,221.65 is: 3,332.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.29 : 9,996.14 = 2,221.65 : x
  2. Step 2: Convert to fraction form
    6,664.29/9,996.14 = 2,221.65/x
  3. Step 3: Cross multiply
    6,664.29x = 9,996.14 × 2,221.65
  4. Step 4: Simplify right side
    6,664.29x = 22,207,863.34
  5. Step 5: Solve for x
    x = 22,207,863.34/6,664.29
  6. Step 6: Final answer
    x = 3,332.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.