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Finding the Fourth Proportional to 6,323.38, 9,485.44 and 1,940.88

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Solution

The fourth proportional to 6,323.38, 9,485.44 and 1,940.88 is: 2,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,323.38 : 9,485.44 = 1,940.88 : x
  2. Step 2: Convert to fraction form
    6,323.38/9,485.44 = 1,940.88/x
  3. Step 3: Cross multiply
    6,323.38x = 9,485.44 × 1,940.88
  4. Step 4: Simplify right side
    6,323.38x = 18,410,100.79
  5. Step 5: Solve for x
    x = 18,410,100.79/6,323.38
  6. Step 6: Final answer
    x = 2,911.43

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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.