Home / 5,911.58-8,867.64-2,212.86

Finding the Fourth Proportional to 5,911.58, 8,867.64 and 2,212.86

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Solution

The fourth proportional to 5,911.58, 8,867.64 and 2,212.86 is: 3,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.58 : 8,867.64 = 2,212.86 : x
  2. Step 2: Convert to fraction form
    5,911.58/8,867.64 = 2,212.86/x
  3. Step 3: Cross multiply
    5,911.58x = 8,867.64 × 2,212.86
  4. Step 4: Simplify right side
    5,911.58x = 19,622,845.85
  5. Step 5: Solve for x
    x = 19,622,845.85/5,911.58
  6. Step 6: Final answer
    x = 3,319.39

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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.