Home / 6,821.77-10,211.50-3,694.02

Finding the Fourth Proportional to 6,821.77, 10,211.50 and 3,694.02

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Solution

The fourth proportional to 6,821.77, 10,211.50 and 3,694.02 is: 5,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.77 : 10,211.50 = 3,694.02 : x
  2. Step 2: Convert to fraction form
    6,821.77/10,211.50 = 3,694.02/x
  3. Step 3: Cross multiply
    6,821.77x = 10,211.50 × 3,694.02
  4. Step 4: Simplify right side
    6,821.77x = 37,721,494.90
  5. Step 5: Solve for x
    x = 37,721,494.90/6,821.77
  6. Step 6: Final answer
    x = 5,529.57

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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.