Home / 6,765.21-9,329.94-4,247.56

Finding the Fourth Proportional to 6,765.21, 9,329.94 and 4,247.56

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Solution

The fourth proportional to 6,765.21, 9,329.94 and 4,247.56 is: 5,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.21 : 9,329.94 = 4,247.56 : x
  2. Step 2: Convert to fraction form
    6,765.21/9,329.94 = 4,247.56/x
  3. Step 3: Cross multiply
    6,765.21x = 9,329.94 × 4,247.56
  4. Step 4: Simplify right side
    6,765.21x = 39,629,443.92
  5. Step 5: Solve for x
    x = 39,629,443.92/6,765.21
  6. Step 6: Final answer
    x = 5,857.83

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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.