Home / 6,816.02-9,405.82-3,983.66

Finding the Fourth Proportional to 6,816.02, 9,405.82 and 3,983.66

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Solution

The fourth proportional to 6,816.02, 9,405.82 and 3,983.66 is: 5,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.02 : 9,405.82 = 3,983.66 : x
  2. Step 2: Convert to fraction form
    6,816.02/9,405.82 = 3,983.66/x
  3. Step 3: Cross multiply
    6,816.02x = 9,405.82 × 3,983.66
  4. Step 4: Simplify right side
    6,816.02x = 37,469,588.90
  5. Step 5: Solve for x
    x = 37,469,588.90/6,816.02
  6. Step 6: Final answer
    x = 5,497.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.