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Finding the Fourth Proportional to 6,272.63, 8,657.57 and 3,755.30

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Solution

The fourth proportional to 6,272.63, 8,657.57 and 3,755.30 is: 5,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.63 : 8,657.57 = 3,755.30 : x
  2. Step 2: Convert to fraction form
    6,272.63/8,657.57 = 3,755.30/x
  3. Step 3: Cross multiply
    6,272.63x = 8,657.57 × 3,755.30
  4. Step 4: Simplify right side
    6,272.63x = 32,511,754.95
  5. Step 5: Solve for x
    x = 32,511,754.95/6,272.63
  6. Step 6: Final answer
    x = 5,183.12

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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.