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Finding the Fourth Proportional to 6,633.38, 9,954.63 and 4,292.38

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Solution

The fourth proportional to 6,633.38, 9,954.63 and 4,292.38 is: 6,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.38 : 9,954.63 = 4,292.38 : x
  2. Step 2: Convert to fraction form
    6,633.38/9,954.63 = 4,292.38/x
  3. Step 3: Cross multiply
    6,633.38x = 9,954.63 × 4,292.38
  4. Step 4: Simplify right side
    6,633.38x = 42,729,067.16
  5. Step 5: Solve for x
    x = 42,729,067.16/6,633.38
  6. Step 6: Final answer
    x = 6,441.52

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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.