Home / 6,821.94-10,232.88-2,141.96

Finding the Fourth Proportional to 6,821.94, 10,232.88 and 2,141.96

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Solution

The fourth proportional to 6,821.94, 10,232.88 and 2,141.96 is: 3,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.94 : 10,232.88 = 2,141.96 : x
  2. Step 2: Convert to fraction form
    6,821.94/10,232.88 = 2,141.96/x
  3. Step 3: Cross multiply
    6,821.94x = 10,232.88 × 2,141.96
  4. Step 4: Simplify right side
    6,821.94x = 21,918,419.64
  5. Step 5: Solve for x
    x = 21,918,419.64/6,821.94
  6. Step 6: Final answer
    x = 3,212.93

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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.