Home / 6,422.38-9,633.56-1,805.38

Finding the Fourth Proportional to 6,422.38, 9,633.56 and 1,805.38

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Solution

The fourth proportional to 6,422.38, 9,633.56 and 1,805.38 is: 2,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.38 : 9,633.56 = 1,805.38 : x
  2. Step 2: Convert to fraction form
    6,422.38/9,633.56 = 1,805.38/x
  3. Step 3: Cross multiply
    6,422.38x = 9,633.56 × 1,805.38
  4. Step 4: Simplify right side
    6,422.38x = 17,392,192.90
  5. Step 5: Solve for x
    x = 17,392,192.90/6,422.38
  6. Step 6: Final answer
    x = 2,708.06

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Similar ratio
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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.