Home / 6,815.23-10,222.84-2,135.61

Finding the Fourth Proportional to 6,815.23, 10,222.84 and 2,135.61

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Solution

The fourth proportional to 6,815.23, 10,222.84 and 2,135.61 is: 3,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.23 : 10,222.84 = 2,135.61 : x
  2. Step 2: Convert to fraction form
    6,815.23/10,222.84 = 2,135.61/x
  3. Step 3: Cross multiply
    6,815.23x = 10,222.84 × 2,135.61
  4. Step 4: Simplify right side
    6,815.23x = 21,831,942.88
  5. Step 5: Solve for x
    x = 21,831,942.88/6,815.23
  6. Step 6: Final answer
    x = 3,203.41

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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.