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Finding the Fourth Proportional to 8,273.50, 11,418.16 and 4,548.22

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Solution

The fourth proportional to 8,273.50, 11,418.16 and 4,548.22 is: 6,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.50 : 11,418.16 = 4,548.22 : x
  2. Step 2: Convert to fraction form
    8,273.50/11,418.16 = 4,548.22/x
  3. Step 3: Cross multiply
    8,273.50x = 11,418.16 × 4,548.22
  4. Step 4: Simplify right side
    8,273.50x = 51,932,303.68
  5. Step 5: Solve for x
    x = 51,932,303.68/8,273.50
  6. Step 6: Final answer
    x = 6,276.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.