Home / 7,378.37-11,067.26-1,831.60

Finding the Fourth Proportional to 7,378.37, 11,067.26 and 1,831.60

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Solution

The fourth proportional to 7,378.37, 11,067.26 and 1,831.60 is: 2,747.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.37 : 11,067.26 = 1,831.60 : x
  2. Step 2: Convert to fraction form
    7,378.37/11,067.26 = 1,831.60/x
  3. Step 3: Cross multiply
    7,378.37x = 11,067.26 × 1,831.60
  4. Step 4: Simplify right side
    7,378.37x = 20,270,756.59
  5. Step 5: Solve for x
    x = 20,270,756.59/7,378.37
  6. Step 6: Final answer
    x = 2,747.32

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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.