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Finding the Fourth Proportional to 6,550.29, 9,821.76 and 5,772.06

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Solution

The fourth proportional to 6,550.29, 9,821.76 and 5,772.06 is: 8,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.29 : 9,821.76 = 5,772.06 : x
  2. Step 2: Convert to fraction form
    6,550.29/9,821.76 = 5,772.06/x
  3. Step 3: Cross multiply
    6,550.29x = 9,821.76 × 5,772.06
  4. Step 4: Simplify right side
    6,550.29x = 56,691,788.03
  5. Step 5: Solve for x
    x = 56,691,788.03/6,550.29
  6. Step 6: Final answer
    x = 8,654.85

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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.