Home / 6,816.68-9,406.76-3,832.79

Finding the Fourth Proportional to 6,816.68, 9,406.76 and 3,832.79

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Solution

The fourth proportional to 6,816.68, 9,406.76 and 3,832.79 is: 5,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.68 : 9,406.76 = 3,832.79 : x
  2. Step 2: Convert to fraction form
    6,816.68/9,406.76 = 3,832.79/x
  3. Step 3: Cross multiply
    6,816.68x = 9,406.76 × 3,832.79
  4. Step 4: Simplify right side
    6,816.68x = 36,054,135.66
  5. Step 5: Solve for x
    x = 36,054,135.66/6,816.68
  6. Step 6: Final answer
    x = 5,289.10

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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.