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Finding the Fourth Proportional to 4,236.80, 6,349.02 and 4,003.10

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Solution

The fourth proportional to 4,236.80, 6,349.02 and 4,003.10 is: 5,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,236.80 : 6,349.02 = 4,003.10 : x
  2. Step 2: Convert to fraction form
    4,236.80/6,349.02 = 4,003.10/x
  3. Step 3: Cross multiply
    4,236.80x = 6,349.02 × 4,003.10
  4. Step 4: Simplify right side
    4,236.80x = 25,415,761.96
  5. Step 5: Solve for x
    x = 25,415,761.96/4,236.80
  6. Step 6: Final answer
    x = 5,998.81

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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.