Home / 8,917.42-13,367.94-3,072.64

Finding the Fourth Proportional to 8,917.42, 13,367.94 and 3,072.64

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Solution

The fourth proportional to 8,917.42, 13,367.94 and 3,072.64 is: 4,606.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.42 : 13,367.94 = 3,072.64 : x
  2. Step 2: Convert to fraction form
    8,917.42/13,367.94 = 3,072.64/x
  3. Step 3: Cross multiply
    8,917.42x = 13,367.94 × 3,072.64
  4. Step 4: Simplify right side
    8,917.42x = 41,074,867.16
  5. Step 5: Solve for x
    x = 41,074,867.16/8,917.42
  6. Step 6: Final answer
    x = 4,606.14

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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.