Home / 7,890.41-11,831.97-2,956.52

Finding the Fourth Proportional to 7,890.41, 11,831.97 and 2,956.52

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Solution

The fourth proportional to 7,890.41, 11,831.97 and 2,956.52 is: 4,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.41 : 11,831.97 = 2,956.52 : x
  2. Step 2: Convert to fraction form
    7,890.41/11,831.97 = 2,956.52/x
  3. Step 3: Cross multiply
    7,890.41x = 11,831.97 × 2,956.52
  4. Step 4: Simplify right side
    7,890.41x = 34,981,455.94
  5. Step 5: Solve for x
    x = 34,981,455.94/7,890.41
  6. Step 6: Final answer
    x = 4,433.41

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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.