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Finding the Fourth Proportional to 6,353.29, 8,766.71 and 3,558.79

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Solution

The fourth proportional to 6,353.29, 8,766.71 and 3,558.79 is: 4,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,353.29 : 8,766.71 = 3,558.79 : x
  2. Step 2: Convert to fraction form
    6,353.29/8,766.71 = 3,558.79/x
  3. Step 3: Cross multiply
    6,353.29x = 8,766.71 × 3,558.79
  4. Step 4: Simplify right side
    6,353.29x = 31,198,844.94
  5. Step 5: Solve for x
    x = 31,198,844.94/6,353.29
  6. Step 6: Final answer
    x = 4,910.66

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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.