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Finding the Fourth Proportional to 6,400.35, 8,832.83 and 3,747.96

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Solution

The fourth proportional to 6,400.35, 8,832.83 and 3,747.96 is: 5,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.35 : 8,832.83 = 3,747.96 : x
  2. Step 2: Convert to fraction form
    6,400.35/8,832.83 = 3,747.96/x
  3. Step 3: Cross multiply
    6,400.35x = 8,832.83 × 3,747.96
  4. Step 4: Simplify right side
    6,400.35x = 33,105,074.79
  5. Step 5: Solve for x
    x = 33,105,074.79/6,400.35
  6. Step 6: Final answer
    x = 5,172.39

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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.