Home / 8,818.75-13,219.71-3,270.61

Finding the Fourth Proportional to 8,818.75, 13,219.71 and 3,270.61

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Solution

The fourth proportional to 8,818.75, 13,219.71 and 3,270.61 is: 4,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.75 : 13,219.71 = 3,270.61 : x
  2. Step 2: Convert to fraction form
    8,818.75/13,219.71 = 3,270.61/x
  3. Step 3: Cross multiply
    8,818.75x = 13,219.71 × 3,270.61
  4. Step 4: Simplify right side
    8,818.75x = 43,236,515.72
  5. Step 5: Solve for x
    x = 43,236,515.72/8,818.75
  6. Step 6: Final answer
    x = 4,902.79

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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.