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Finding the Fourth Proportional to 6,453.43, 9,683.79 and 2,755.32

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Solution

The fourth proportional to 6,453.43, 9,683.79 and 2,755.32 is: 4,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.43 : 9,683.79 = 2,755.32 : x
  2. Step 2: Convert to fraction form
    6,453.43/9,683.79 = 2,755.32/x
  3. Step 3: Cross multiply
    6,453.43x = 9,683.79 × 2,755.32
  4. Step 4: Simplify right side
    6,453.43x = 26,681,940.26
  5. Step 5: Solve for x
    x = 26,681,940.26/6,453.43
  6. Step 6: Final answer
    x = 4,134.54

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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.