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Finding the Fourth Proportional to 4,837.88, 7,257.69 and 3,195.78

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Solution

The fourth proportional to 4,837.88, 7,257.69 and 3,195.78 is: 4,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.88 : 7,257.69 = 3,195.78 : x
  2. Step 2: Convert to fraction form
    4,837.88/7,257.69 = 3,195.78/x
  3. Step 3: Cross multiply
    4,837.88x = 7,257.69 × 3,195.78
  4. Step 4: Simplify right side
    4,837.88x = 23,193,980.55
  5. Step 5: Solve for x
    x = 23,193,980.55/4,837.88
  6. Step 6: Final answer
    x = 4,794.25

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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.