Home / 6,828.90-10,237.62-2,145.96

Finding the Fourth Proportional to 6,828.90, 10,237.62 and 2,145.96

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Solution

The fourth proportional to 6,828.90, 10,237.62 and 2,145.96 is: 3,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.90 : 10,237.62 = 2,145.96 : x
  2. Step 2: Convert to fraction form
    6,828.90/10,237.62 = 2,145.96/x
  3. Step 3: Cross multiply
    6,828.90x = 10,237.62 × 2,145.96
  4. Step 4: Simplify right side
    6,828.90x = 21,969,523.02
  5. Step 5: Solve for x
    x = 21,969,523.02/6,828.90
  6. Step 6: Final answer
    x = 3,217.14

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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.