Home / 6,379.86-9,555.94-3,086.04

Finding the Fourth Proportional to 6,379.86, 9,555.94 and 3,086.04

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Solution

The fourth proportional to 6,379.86, 9,555.94 and 3,086.04 is: 4,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.86 : 9,555.94 = 3,086.04 : x
  2. Step 2: Convert to fraction form
    6,379.86/9,555.94 = 3,086.04/x
  3. Step 3: Cross multiply
    6,379.86x = 9,555.94 × 3,086.04
  4. Step 4: Simplify right side
    6,379.86x = 29,490,013.08
  5. Step 5: Solve for x
    x = 29,490,013.08/6,379.86
  6. Step 6: Final answer
    x = 4,622.36

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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.