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Finding the Fourth Proportional to 9,220.03, 13,826.90 and 3,671.87

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Solution

The fourth proportional to 9,220.03, 13,826.90 and 3,671.87 is: 5,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.03 : 13,826.90 = 3,671.87 : x
  2. Step 2: Convert to fraction form
    9,220.03/13,826.90 = 3,671.87/x
  3. Step 3: Cross multiply
    9,220.03x = 13,826.90 × 3,671.87
  4. Step 4: Simplify right side
    9,220.03x = 50,770,519.35
  5. Step 5: Solve for x
    x = 50,770,519.35/9,220.03
  6. Step 6: Final answer
    x = 5,506.55

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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.