Home / 6,728.25-9,285.17-3,933.93

Finding the Fourth Proportional to 6,728.25, 9,285.17 and 3,933.93

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Solution

The fourth proportional to 6,728.25, 9,285.17 and 3,933.93 is: 5,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.25 : 9,285.17 = 3,933.93 : x
  2. Step 2: Convert to fraction form
    6,728.25/9,285.17 = 3,933.93/x
  3. Step 3: Cross multiply
    6,728.25x = 9,285.17 × 3,933.93
  4. Step 4: Simplify right side
    6,728.25x = 36,527,189.15
  5. Step 5: Solve for x
    x = 36,527,189.15/6,728.25
  6. Step 6: Final answer
    x = 5,428.93

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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.