Home / 6,821.75-10,228.10-2,662.16

Finding the Fourth Proportional to 6,821.75, 10,228.10 and 2,662.16

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Solution

The fourth proportional to 6,821.75, 10,228.10 and 2,662.16 is: 3,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.75 : 10,228.10 = 2,662.16 : x
  2. Step 2: Convert to fraction form
    6,821.75/10,228.10 = 2,662.16/x
  3. Step 3: Cross multiply
    6,821.75x = 10,228.10 × 2,662.16
  4. Step 4: Simplify right side
    6,821.75x = 27,228,774.24
  5. Step 5: Solve for x
    x = 27,228,774.24/6,821.75
  6. Step 6: Final answer
    x = 3,991.47

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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.