Home / 8,815.90-13,223.79-2,242

Finding the Fourth Proportional to 8,815.90, 13,223.79 and 2,242

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Solution

The fourth proportional to 8,815.90, 13,223.79 and 2,242 is: 3,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.90 : 13,223.79 = 2,242 : x
  2. Step 2: Convert to fraction form
    8,815.90/13,223.79 = 2,242/x
  3. Step 3: Cross multiply
    8,815.90x = 13,223.79 × 2,242
  4. Step 4: Simplify right side
    8,815.90x = 29,647,737.18
  5. Step 5: Solve for x
    x = 29,647,737.18/8,815.90
  6. Step 6: Final answer
    x = 3,362.98

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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.