Home / 5,558.82-8,338.20-2,228.55

Finding the Fourth Proportional to 5,558.82, 8,338.20 and 2,228.55

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Solution

The fourth proportional to 5,558.82, 8,338.20 and 2,228.55 is: 3,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.82 : 8,338.20 = 2,228.55 : x
  2. Step 2: Convert to fraction form
    5,558.82/8,338.20 = 2,228.55/x
  3. Step 3: Cross multiply
    5,558.82x = 8,338.20 × 2,228.55
  4. Step 4: Simplify right side
    5,558.82x = 18,582,095.61
  5. Step 5: Solve for x
    x = 18,582,095.61/5,558.82
  6. Step 6: Final answer
    x = 3,342.81

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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.