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Finding the Fourth Proportional to 6,662.26, 9,189.48 and 4,006.88

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Solution

The fourth proportional to 6,662.26, 9,189.48 and 4,006.88 is: 5,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.26 : 9,189.48 = 4,006.88 : x
  2. Step 2: Convert to fraction form
    6,662.26/9,189.48 = 4,006.88/x
  3. Step 3: Cross multiply
    6,662.26x = 9,189.48 × 4,006.88
  4. Step 4: Simplify right side
    6,662.26x = 36,821,143.62
  5. Step 5: Solve for x
    x = 36,821,143.62/6,662.26
  6. Step 6: Final answer
    x = 5,526.82

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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.