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Finding the Fourth Proportional to 9,119.00, 13,677.78 and 5,609.48

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Solution

The fourth proportional to 9,119.00, 13,677.78 and 5,609.48 is: 8,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.00 : 13,677.78 = 5,609.48 : x
  2. Step 2: Convert to fraction form
    9,119.00/13,677.78 = 5,609.48/x
  3. Step 3: Cross multiply
    9,119.00x = 13,677.78 × 5,609.48
  4. Step 4: Simplify right side
    9,119.00x = 76,725,164.97
  5. Step 5: Solve for x
    x = 76,725,164.97/9,119.00
  6. Step 6: Final answer
    x = 8,413.77

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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.