Home / 8,284.26-12,426.80-2,738.09

Finding the Fourth Proportional to 8,284.26, 12,426.80 and 2,738.09

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Solution

The fourth proportional to 8,284.26, 12,426.80 and 2,738.09 is: 4,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.26 : 12,426.80 = 2,738.09 : x
  2. Step 2: Convert to fraction form
    8,284.26/12,426.80 = 2,738.09/x
  3. Step 3: Cross multiply
    8,284.26x = 12,426.80 × 2,738.09
  4. Step 4: Simplify right side
    8,284.26x = 34,025,696.81
  5. Step 5: Solve for x
    x = 34,025,696.81/8,284.26
  6. Step 6: Final answer
    x = 4,107.27

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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.