Home / 8,815.53-13,223.66-3,884.05

Finding the Fourth Proportional to 8,815.53, 13,223.66 and 3,884.05

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Solution

The fourth proportional to 8,815.53, 13,223.66 and 3,884.05 is: 5,826.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.53 : 13,223.66 = 3,884.05 : x
  2. Step 2: Convert to fraction form
    8,815.53/13,223.66 = 3,884.05/x
  3. Step 3: Cross multiply
    8,815.53x = 13,223.66 × 3,884.05
  4. Step 4: Simplify right side
    8,815.53x = 51,361,353.73
  5. Step 5: Solve for x
    x = 51,361,353.73/8,815.53
  6. Step 6: Final answer
    x = 5,826.23

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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.