Home / 6,399.86-9,601.09-3,627.77

Finding the Fourth Proportional to 6,399.86, 9,601.09 and 3,627.77

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Solution

The fourth proportional to 6,399.86, 9,601.09 and 3,627.77 is: 5,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.86 : 9,601.09 = 3,627.77 : x
  2. Step 2: Convert to fraction form
    6,399.86/9,601.09 = 3,627.77/x
  3. Step 3: Cross multiply
    6,399.86x = 9,601.09 × 3,627.77
  4. Step 4: Simplify right side
    6,399.86x = 34,830,489.19
  5. Step 5: Solve for x
    x = 34,830,489.19/6,399.86
  6. Step 6: Final answer
    x = 5,442.39

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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.