Home / 4,755.20-7,131.05-1,634.32

Finding the Fourth Proportional to 4,755.20, 7,131.05 and 1,634.32

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Solution

The fourth proportional to 4,755.20, 7,131.05 and 1,634.32 is: 2,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.20 : 7,131.05 = 1,634.32 : x
  2. Step 2: Convert to fraction form
    4,755.20/7,131.05 = 1,634.32/x
  3. Step 3: Cross multiply
    4,755.20x = 7,131.05 × 1,634.32
  4. Step 4: Simplify right side
    4,755.20x = 11,654,397.77
  5. Step 5: Solve for x
    x = 11,654,397.77/4,755.20
  6. Step 6: Final answer
    x = 2,450.88

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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.