Home / 6,379.97-8,802.32-3,861.27

Finding the Fourth Proportional to 6,379.97, 8,802.32 and 3,861.27

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Solution

The fourth proportional to 6,379.97, 8,802.32 and 3,861.27 is: 5,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.97 : 8,802.32 = 3,861.27 : x
  2. Step 2: Convert to fraction form
    6,379.97/8,802.32 = 3,861.27/x
  3. Step 3: Cross multiply
    6,379.97x = 8,802.32 × 3,861.27
  4. Step 4: Simplify right side
    6,379.97x = 33,988,134.15
  5. Step 5: Solve for x
    x = 33,988,134.15/6,379.97
  6. Step 6: Final answer
    x = 5,327.32

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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.