Home / 6,821.93-10,230.23-2,661.39

Finding the Fourth Proportional to 6,821.93, 10,230.23 and 2,661.39

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Solution

The fourth proportional to 6,821.93, 10,230.23 and 2,661.39 is: 3,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.93 : 10,230.23 = 2,661.39 : x
  2. Step 2: Convert to fraction form
    6,821.93/10,230.23 = 2,661.39/x
  3. Step 3: Cross multiply
    6,821.93x = 10,230.23 × 2,661.39
  4. Step 4: Simplify right side
    6,821.93x = 27,226,638.47
  5. Step 5: Solve for x
    x = 27,226,638.47/6,821.93
  6. Step 6: Final answer
    x = 3,991.04

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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.