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Finding the Fourth Proportional to 4,489, 6,195.30 and 2,627.56

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Solution

The fourth proportional to 4,489, 6,195.30 and 2,627.56 is: 3,626.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489 : 6,195.30 = 2,627.56 : x
  2. Step 2: Convert to fraction form
    4,489/6,195.30 = 2,627.56/x
  3. Step 3: Cross multiply
    4,489x = 6,195.30 × 2,627.56
  4. Step 4: Simplify right side
    4,489x = 16,278,522.47
  5. Step 5: Solve for x
    x = 16,278,522.47/4,489
  6. Step 6: Final answer
    x = 3,626.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.