Home / 7,831.44-11,739.06-3,933.72

Finding the Fourth Proportional to 7,831.44, 11,739.06 and 3,933.72

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Solution

The fourth proportional to 7,831.44, 11,739.06 and 3,933.72 is: 5,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.44 : 11,739.06 = 3,933.72 : x
  2. Step 2: Convert to fraction form
    7,831.44/11,739.06 = 3,933.72/x
  3. Step 3: Cross multiply
    7,831.44x = 11,739.06 × 3,933.72
  4. Step 4: Simplify right side
    7,831.44x = 46,178,175.10
  5. Step 5: Solve for x
    x = 46,178,175.10/7,831.44
  6. Step 6: Final answer
    x = 5,896.51

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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.