Home / 8,813.09-13,217.81-3,266.31

Finding the Fourth Proportional to 8,813.09, 13,217.81 and 3,266.31

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Solution

The fourth proportional to 8,813.09, 13,217.81 and 3,266.31 is: 4,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.09 : 13,217.81 = 3,266.31 : x
  2. Step 2: Convert to fraction form
    8,813.09/13,217.81 = 3,266.31/x
  3. Step 3: Cross multiply
    8,813.09x = 13,217.81 × 3,266.31
  4. Step 4: Simplify right side
    8,813.09x = 43,173,382.56
  5. Step 5: Solve for x
    x = 43,173,382.56/8,813.09
  6. Step 6: Final answer
    x = 4,898.78

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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.