Home / 6,505.26-9,759.39-2,122.68

Finding the Fourth Proportional to 6,505.26, 9,759.39 and 2,122.68

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Solution

The fourth proportional to 6,505.26, 9,759.39 and 2,122.68 is: 3,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.26 : 9,759.39 = 2,122.68 : x
  2. Step 2: Convert to fraction form
    6,505.26/9,759.39 = 2,122.68/x
  3. Step 3: Cross multiply
    6,505.26x = 9,759.39 × 2,122.68
  4. Step 4: Simplify right side
    6,505.26x = 20,716,061.97
  5. Step 5: Solve for x
    x = 20,716,061.97/6,505.26
  6. Step 6: Final answer
    x = 3,184.51

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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.