Home / 6,618.98-9,134.30-3,634.78

Finding the Fourth Proportional to 6,618.98, 9,134.30 and 3,634.78

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Solution

The fourth proportional to 6,618.98, 9,134.30 and 3,634.78 is: 5,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.98 : 9,134.30 = 3,634.78 : x
  2. Step 2: Convert to fraction form
    6,618.98/9,134.30 = 3,634.78/x
  3. Step 3: Cross multiply
    6,618.98x = 9,134.30 × 3,634.78
  4. Step 4: Simplify right side
    6,618.98x = 33,201,170.95
  5. Step 5: Solve for x
    x = 33,201,170.95/6,618.98
  6. Step 6: Final answer
    x = 5,016.06

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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.