Home / 7,831.44-11,747.16-3,934.92

Finding the Fourth Proportional to 7,831.44, 11,747.16 and 3,934.92

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Solution

The fourth proportional to 7,831.44, 11,747.16 and 3,934.92 is: 5,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.44 : 11,747.16 = 3,934.92 : x
  2. Step 2: Convert to fraction form
    7,831.44/11,747.16 = 3,934.92/x
  3. Step 3: Cross multiply
    7,831.44x = 11,747.16 × 3,934.92
  4. Step 4: Simplify right side
    7,831.44x = 46,224,134.83
  5. Step 5: Solve for x
    x = 46,224,134.83/7,831.44
  6. Step 6: Final answer
    x = 5,902.38

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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.