Home / 8,813.85-13,212.46-2,966.37

Finding the Fourth Proportional to 8,813.85, 13,212.46 and 2,966.37

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Solution

The fourth proportional to 8,813.85, 13,212.46 and 2,966.37 is: 4,446.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.85 : 13,212.46 = 2,966.37 : x
  2. Step 2: Convert to fraction form
    8,813.85/13,212.46 = 2,966.37/x
  3. Step 3: Cross multiply
    8,813.85x = 13,212.46 × 2,966.37
  4. Step 4: Simplify right side
    8,813.85x = 39,193,044.97
  5. Step 5: Solve for x
    x = 39,193,044.97/8,813.85
  6. Step 6: Final answer
    x = 4,446.76

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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.