Home / 9,172.70-13,759.81-2,933.60

Finding the Fourth Proportional to 9,172.70, 13,759.81 and 2,933.60

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Solution

The fourth proportional to 9,172.70, 13,759.81 and 2,933.60 is: 4,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.70 : 13,759.81 = 2,933.60 : x
  2. Step 2: Convert to fraction form
    9,172.70/13,759.81 = 2,933.60/x
  3. Step 3: Cross multiply
    9,172.70x = 13,759.81 × 2,933.60
  4. Step 4: Simplify right side
    9,172.70x = 40,365,778.62
  5. Step 5: Solve for x
    x = 40,365,778.62/9,172.70
  6. Step 6: Final answer
    x = 4,400.64

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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.