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Finding the Fourth Proportional to 8,831.44, 12,180.34 and 5,809.67

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Solution

The fourth proportional to 8,831.44, 12,180.34 and 5,809.67 is: 8,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.44 : 12,180.34 = 5,809.67 : x
  2. Step 2: Convert to fraction form
    8,831.44/12,180.34 = 5,809.67/x
  3. Step 3: Cross multiply
    8,831.44x = 12,180.34 × 5,809.67
  4. Step 4: Simplify right side
    8,831.44x = 70,763,665.94
  5. Step 5: Solve for x
    x = 70,763,665.94/8,831.44
  6. Step 6: Final answer
    x = 8,012.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.