Home / 5,716.13-8,571.06-3,086.78

Finding the Fourth Proportional to 5,716.13, 8,571.06 and 3,086.78

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Solution

The fourth proportional to 5,716.13, 8,571.06 and 3,086.78 is: 4,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.13 : 8,571.06 = 3,086.78 : x
  2. Step 2: Convert to fraction form
    5,716.13/8,571.06 = 3,086.78/x
  3. Step 3: Cross multiply
    5,716.13x = 8,571.06 × 3,086.78
  4. Step 4: Simplify right side
    5,716.13x = 26,456,933.73
  5. Step 5: Solve for x
    x = 26,456,933.73/5,716.13
  6. Step 6: Final answer
    x = 4,628.47

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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.