Home / 6,833.80-9,431.54-3,850.21

Finding the Fourth Proportional to 6,833.80, 9,431.54 and 3,850.21

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Solution

The fourth proportional to 6,833.80, 9,431.54 and 3,850.21 is: 5,313.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,833.80 : 9,431.54 = 3,850.21 : x
  2. Step 2: Convert to fraction form
    6,833.80/9,431.54 = 3,850.21/x
  3. Step 3: Cross multiply
    6,833.80x = 9,431.54 × 3,850.21
  4. Step 4: Simplify right side
    6,833.80x = 36,313,409.62
  5. Step 5: Solve for x
    x = 36,313,409.62/6,833.80
  6. Step 6: Final answer
    x = 5,313.79

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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.