Home / 7,928.87-10,943.39-4,571.56

Finding the Fourth Proportional to 7,928.87, 10,943.39 and 4,571.56

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Solution

The fourth proportional to 7,928.87, 10,943.39 and 4,571.56 is: 6,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.87 : 10,943.39 = 4,571.56 : x
  2. Step 2: Convert to fraction form
    7,928.87/10,943.39 = 4,571.56/x
  3. Step 3: Cross multiply
    7,928.87x = 10,943.39 × 4,571.56
  4. Step 4: Simplify right side
    7,928.87x = 50,028,286.41
  5. Step 5: Solve for x
    x = 50,028,286.41/7,928.87
  6. Step 6: Final answer
    x = 6,309.64

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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.