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Finding the Fourth Proportional to 8,043.81, 12,062.75 and 2,777.48

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Solution

The fourth proportional to 8,043.81, 12,062.75 and 2,777.48 is: 4,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.81 : 12,062.75 = 2,777.48 : x
  2. Step 2: Convert to fraction form
    8,043.81/12,062.75 = 2,777.48/x
  3. Step 3: Cross multiply
    8,043.81x = 12,062.75 × 2,777.48
  4. Step 4: Simplify right side
    8,043.81x = 33,504,046.87
  5. Step 5: Solve for x
    x = 33,504,046.87/8,043.81
  6. Step 6: Final answer
    x = 4,165.20

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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.