Home / 4,188.87-6,289.08-2,717.31

Finding the Fourth Proportional to 4,188.87, 6,289.08 and 2,717.31

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Solution

The fourth proportional to 4,188.87, 6,289.08 and 2,717.31 is: 4,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.87 : 6,289.08 = 2,717.31 : x
  2. Step 2: Convert to fraction form
    4,188.87/6,289.08 = 2,717.31/x
  3. Step 3: Cross multiply
    4,188.87x = 6,289.08 × 2,717.31
  4. Step 4: Simplify right side
    4,188.87x = 17,089,379.97
  5. Step 5: Solve for x
    x = 17,089,379.97/4,188.87
  6. Step 6: Final answer
    x = 4,079.71

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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.