Home / 8,917.28-13,369.44-3,724.64

Finding the Fourth Proportional to 8,917.28, 13,369.44 and 3,724.64

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Solution

The fourth proportional to 8,917.28, 13,369.44 and 3,724.64 is: 5,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.28 : 13,369.44 = 3,724.64 : x
  2. Step 2: Convert to fraction form
    8,917.28/13,369.44 = 3,724.64/x
  3. Step 3: Cross multiply
    8,917.28x = 13,369.44 × 3,724.64
  4. Step 4: Simplify right side
    8,917.28x = 49,796,351.00
  5. Step 5: Solve for x
    x = 49,796,351.00/8,917.28
  6. Step 6: Final answer
    x = 5,584.25

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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.