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Finding the Fourth Proportional to 6,337.70, 8,743.23 and 3,818.33

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Solution

The fourth proportional to 6,337.70, 8,743.23 and 3,818.33 is: 5,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337.70 : 8,743.23 = 3,818.33 : x
  2. Step 2: Convert to fraction form
    6,337.70/8,743.23 = 3,818.33/x
  3. Step 3: Cross multiply
    6,337.70x = 8,743.23 × 3,818.33
  4. Step 4: Simplify right side
    6,337.70x = 33,384,493.69
  5. Step 5: Solve for x
    x = 33,384,493.69/6,337.70
  6. Step 6: Final answer
    x = 5,267.61

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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.