Home / 6,822.06-10,229.04-2,140.80

Finding the Fourth Proportional to 6,822.06, 10,229.04 and 2,140.80

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Solution

The fourth proportional to 6,822.06, 10,229.04 and 2,140.80 is: 3,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.06 : 10,229.04 = 2,140.80 : x
  2. Step 2: Convert to fraction form
    6,822.06/10,229.04 = 2,140.80/x
  3. Step 3: Cross multiply
    6,822.06x = 10,229.04 × 2,140.80
  4. Step 4: Simplify right side
    6,822.06x = 21,898,328.83
  5. Step 5: Solve for x
    x = 21,898,328.83/6,822.06
  6. Step 6: Final answer
    x = 3,209.93

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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.