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Finding the Fourth Proportional to 6,379.25, 8,804.19 and 3,584.75

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Solution

The fourth proportional to 6,379.25, 8,804.19 and 3,584.75 is: 4,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.25 : 8,804.19 = 3,584.75 : x
  2. Step 2: Convert to fraction form
    6,379.25/8,804.19 = 3,584.75/x
  3. Step 3: Cross multiply
    6,379.25x = 8,804.19 × 3,584.75
  4. Step 4: Simplify right side
    6,379.25x = 31,560,820.10
  5. Step 5: Solve for x
    x = 31,560,820.10/6,379.25
  6. Step 6: Final answer
    x = 4,947.42

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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.