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Finding the Fourth Proportional to 6,629.38, 9,943.74 and 4,026.82

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Solution

The fourth proportional to 6,629.38, 9,943.74 and 4,026.82 is: 6,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.38 : 9,943.74 = 4,026.82 : x
  2. Step 2: Convert to fraction form
    6,629.38/9,943.74 = 4,026.82/x
  3. Step 3: Cross multiply
    6,629.38x = 9,943.74 × 4,026.82
  4. Step 4: Simplify right side
    6,629.38x = 40,041,651.11
  5. Step 5: Solve for x
    x = 40,041,651.11/6,629.38
  6. Step 6: Final answer
    x = 6,040.03

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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.