Home / 6,314.82-9,455.79-3,378.75

Finding the Fourth Proportional to 6,314.82, 9,455.79 and 3,378.75

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Solution

The fourth proportional to 6,314.82, 9,455.79 and 3,378.75 is: 5,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,314.82 : 9,455.79 = 3,378.75 : x
  2. Step 2: Convert to fraction form
    6,314.82/9,455.79 = 3,378.75/x
  3. Step 3: Cross multiply
    6,314.82x = 9,455.79 × 3,378.75
  4. Step 4: Simplify right side
    6,314.82x = 31,948,750.46
  5. Step 5: Solve for x
    x = 31,948,750.46/6,314.82
  6. Step 6: Final answer
    x = 5,059.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.