Home / 7,993.27-11,989.91-2,150.47

Finding the Fourth Proportional to 7,993.27, 11,989.91 and 2,150.47

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Solution

The fourth proportional to 7,993.27, 11,989.91 and 2,150.47 is: 3,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.27 : 11,989.91 = 2,150.47 : x
  2. Step 2: Convert to fraction form
    7,993.27/11,989.91 = 2,150.47/x
  3. Step 3: Cross multiply
    7,993.27x = 11,989.91 × 2,150.47
  4. Step 4: Simplify right side
    7,993.27x = 25,783,941.76
  5. Step 5: Solve for x
    x = 25,783,941.76/7,993.27
  6. Step 6: Final answer
    x = 3,225.71

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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.