Home / 9,105.68-13,664.46-3,261.80

Finding the Fourth Proportional to 9,105.68, 13,664.46 and 3,261.80

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Solution

The fourth proportional to 9,105.68, 13,664.46 and 3,261.80 is: 4,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.68 : 13,664.46 = 3,261.80 : x
  2. Step 2: Convert to fraction form
    9,105.68/13,664.46 = 3,261.80/x
  3. Step 3: Cross multiply
    9,105.68x = 13,664.46 × 3,261.80
  4. Step 4: Simplify right side
    9,105.68x = 44,570,735.63
  5. Step 5: Solve for x
    x = 44,570,735.63/9,105.68
  6. Step 6: Final answer
    x = 4,894.83

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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.