Home / 8,558.82-12,825.60-3,880.26

Finding the Fourth Proportional to 8,558.82, 12,825.60 and 3,880.26

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Solution

The fourth proportional to 8,558.82, 12,825.60 and 3,880.26 is: 5,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.82 : 12,825.60 = 3,880.26 : x
  2. Step 2: Convert to fraction form
    8,558.82/12,825.60 = 3,880.26/x
  3. Step 3: Cross multiply
    8,558.82x = 12,825.60 × 3,880.26
  4. Step 4: Simplify right side
    8,558.82x = 49,766,662.66
  5. Step 5: Solve for x
    x = 49,766,662.66/8,558.82
  6. Step 6: Final answer
    x = 5,814.66

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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.