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Finding the Fourth Proportional to 3,663.56, 5,497.52 and 3,365.78

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Solution

The fourth proportional to 3,663.56, 5,497.52 and 3,365.78 is: 5,050.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.56 : 5,497.52 = 3,365.78 : x
  2. Step 2: Convert to fraction form
    3,663.56/5,497.52 = 3,365.78/x
  3. Step 3: Cross multiply
    3,663.56x = 5,497.52 × 3,365.78
  4. Step 4: Simplify right side
    3,663.56x = 18,503,442.87
  5. Step 5: Solve for x
    x = 18,503,442.87/3,663.56
  6. Step 6: Final answer
    x = 5,050.67

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1.5x scale

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.