Home / 6,821.45-10,232.60-2,141.64

Finding the Fourth Proportional to 6,821.45, 10,232.60 and 2,141.64

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Solution

The fourth proportional to 6,821.45, 10,232.60 and 2,141.64 is: 3,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.45 : 10,232.60 = 2,141.64 : x
  2. Step 2: Convert to fraction form
    6,821.45/10,232.60 = 2,141.64/x
  3. Step 3: Cross multiply
    6,821.45x = 10,232.60 × 2,141.64
  4. Step 4: Simplify right side
    6,821.45x = 21,914,545.46
  5. Step 5: Solve for x
    x = 21,914,545.46/6,821.45
  6. Step 6: Final answer
    x = 3,212.59

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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.