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Finding the Fourth Proportional to 6,469.80, 9,682.83 and 5,376.30

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Solution

The fourth proportional to 6,469.80, 9,682.83 and 5,376.30 is: 8,046.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.80 : 9,682.83 = 5,376.30 : x
  2. Step 2: Convert to fraction form
    6,469.80/9,682.83 = 5,376.30/x
  3. Step 3: Cross multiply
    6,469.80x = 9,682.83 × 5,376.30
  4. Step 4: Simplify right side
    6,469.80x = 52,057,798.93
  5. Step 5: Solve for x
    x = 52,057,798.93/6,469.80
  6. Step 6: Final answer
    x = 8,046.28

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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.