Home / 6,084.24-8,400.36-3,991.92

Finding the Fourth Proportional to 6,084.24, 8,400.36 and 3,991.92

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Solution

The fourth proportional to 6,084.24, 8,400.36 and 3,991.92 is: 5,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,084.24 : 8,400.36 = 3,991.92 : x
  2. Step 2: Convert to fraction form
    6,084.24/8,400.36 = 3,991.92/x
  3. Step 3: Cross multiply
    6,084.24x = 8,400.36 × 3,991.92
  4. Step 4: Simplify right side
    6,084.24x = 33,533,565.09
  5. Step 5: Solve for x
    x = 33,533,565.09/6,084.24
  6. Step 6: Final answer
    x = 5,511.55

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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.