Home / 8,683.72-11,981.46-4,906.96

Finding the Fourth Proportional to 8,683.72, 11,981.46 and 4,906.96

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Solution

The fourth proportional to 8,683.72, 11,981.46 and 4,906.96 is: 6,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.72 : 11,981.46 = 4,906.96 : x
  2. Step 2: Convert to fraction form
    8,683.72/11,981.46 = 4,906.96/x
  3. Step 3: Cross multiply
    8,683.72x = 11,981.46 × 4,906.96
  4. Step 4: Simplify right side
    8,683.72x = 58,792,544.96
  5. Step 5: Solve for x
    x = 58,792,544.96/8,683.72
  6. Step 6: Final answer
    x = 6,770.43

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1.5x scale

Why These Related Problems?

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