Home / 6,505.62-9,758.43-3,222.78

Finding the Fourth Proportional to 6,505.62, 9,758.43 and 3,222.78

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Solution

The fourth proportional to 6,505.62, 9,758.43 and 3,222.78 is: 4,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.62 : 9,758.43 = 3,222.78 : x
  2. Step 2: Convert to fraction form
    6,505.62/9,758.43 = 3,222.78/x
  3. Step 3: Cross multiply
    6,505.62x = 9,758.43 × 3,222.78
  4. Step 4: Simplify right side
    6,505.62x = 31,449,273.04
  5. Step 5: Solve for x
    x = 31,449,273.04/6,505.62
  6. Step 6: Final answer
    x = 4,834.17

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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.