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Finding the Fourth Proportional to 4,663.62, 6,993.30 and 1,375.56

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Solution

The fourth proportional to 4,663.62, 6,993.30 and 1,375.56 is: 2,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.62 : 6,993.30 = 1,375.56 : x
  2. Step 2: Convert to fraction form
    4,663.62/6,993.30 = 1,375.56/x
  3. Step 3: Cross multiply
    4,663.62x = 6,993.30 × 1,375.56
  4. Step 4: Simplify right side
    4,663.62x = 9,619,703.75
  5. Step 5: Solve for x
    x = 9,619,703.75/4,663.62
  6. Step 6: Final answer
    x = 2,062.71

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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.