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Finding the Fourth Proportional to 9,097.88, 13,636.80 and 3,550.20

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Solution

The fourth proportional to 9,097.88, 13,636.80 and 3,550.20 is: 5,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,097.88 : 13,636.80 = 3,550.20 : x
  2. Step 2: Convert to fraction form
    9,097.88/13,636.80 = 3,550.20/x
  3. Step 3: Cross multiply
    9,097.88x = 13,636.80 × 3,550.20
  4. Step 4: Simplify right side
    9,097.88x = 48,413,367.36
  5. Step 5: Solve for x
    x = 48,413,367.36/9,097.88
  6. Step 6: Final answer
    x = 5,321.39

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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.