Home / 5,539.90-8,289.60-4,081.90

Finding the Fourth Proportional to 5,539.90, 8,289.60 and 4,081.90

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Solution

The fourth proportional to 5,539.90, 8,289.60 and 4,081.90 is: 6,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.90 : 8,289.60 = 4,081.90 : x
  2. Step 2: Convert to fraction form
    5,539.90/8,289.60 = 4,081.90/x
  3. Step 3: Cross multiply
    5,539.90x = 8,289.60 × 4,081.90
  4. Step 4: Simplify right side
    5,539.90x = 33,837,318.24
  5. Step 5: Solve for x
    x = 33,837,318.24/5,539.90
  6. Step 6: Final answer
    x = 6,107.93

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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.