Home / 8,166.87-11,273.72-5,517.86

Finding the Fourth Proportional to 8,166.87, 11,273.72 and 5,517.86

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Solution

The fourth proportional to 8,166.87, 11,273.72 and 5,517.86 is: 7,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.87 : 11,273.72 = 5,517.86 : x
  2. Step 2: Convert to fraction form
    8,166.87/11,273.72 = 5,517.86/x
  3. Step 3: Cross multiply
    8,166.87x = 11,273.72 × 5,517.86
  4. Step 4: Simplify right side
    8,166.87x = 62,206,829.63
  5. Step 5: Solve for x
    x = 62,206,829.63/8,166.87
  6. Step 6: Final answer
    x = 7,616.98

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1.5x scale

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.