Home / 6,816.48-9,406.40-3,832.80

Finding the Fourth Proportional to 6,816.48, 9,406.40 and 3,832.80

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Solution

The fourth proportional to 6,816.48, 9,406.40 and 3,832.80 is: 5,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.48 : 9,406.40 = 3,832.80 : x
  2. Step 2: Convert to fraction form
    6,816.48/9,406.40 = 3,832.80/x
  3. Step 3: Cross multiply
    6,816.48x = 9,406.40 × 3,832.80
  4. Step 4: Simplify right side
    6,816.48x = 36,052,849.92
  5. Step 5: Solve for x
    x = 36,052,849.92/6,816.48
  6. Step 6: Final answer
    x = 5,289.07

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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.