Home / 8,813.79-13,219.25-3,265.83

Finding the Fourth Proportional to 8,813.79, 13,219.25 and 3,265.83

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Solution

The fourth proportional to 8,813.79, 13,219.25 and 3,265.83 is: 4,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.79 : 13,219.25 = 3,265.83 : x
  2. Step 2: Convert to fraction form
    8,813.79/13,219.25 = 3,265.83/x
  3. Step 3: Cross multiply
    8,813.79x = 13,219.25 × 3,265.83
  4. Step 4: Simplify right side
    8,813.79x = 43,171,806.90
  5. Step 5: Solve for x
    x = 43,171,806.90/8,813.79
  6. Step 6: Final answer
    x = 4,898.21

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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.