Home / 7,716.24-11,571.96-2,785.24

Finding the Fourth Proportional to 7,716.24, 11,571.96 and 2,785.24

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Solution

The fourth proportional to 7,716.24, 11,571.96 and 2,785.24 is: 4,176.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.24 : 11,571.96 = 2,785.24 : x
  2. Step 2: Convert to fraction form
    7,716.24/11,571.96 = 2,785.24/x
  3. Step 3: Cross multiply
    7,716.24x = 11,571.96 × 2,785.24
  4. Step 4: Simplify right side
    7,716.24x = 32,230,685.87
  5. Step 5: Solve for x
    x = 32,230,685.87/7,716.24
  6. Step 6: Final answer
    x = 4,176.99

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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.