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Finding the Fourth Proportional to 3,375.55, 5,063.32 and 910.62

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Solution

The fourth proportional to 3,375.55, 5,063.32 and 910.62 is: 1,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.55 : 5,063.32 = 910.62 : x
  2. Step 2: Convert to fraction form
    3,375.55/5,063.32 = 910.62/x
  3. Step 3: Cross multiply
    3,375.55x = 5,063.32 × 910.62
  4. Step 4: Simplify right side
    3,375.55x = 4,610,760.46
  5. Step 5: Solve for x
    x = 4,610,760.46/3,375.55
  6. Step 6: Final answer
    x = 1,365.93

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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.