Home / 8,091.96-11,166.84-4,555.50

Finding the Fourth Proportional to 8,091.96, 11,166.84 and 4,555.50

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Solution

The fourth proportional to 8,091.96, 11,166.84 and 4,555.50 is: 6,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.96 : 11,166.84 = 4,555.50 : x
  2. Step 2: Convert to fraction form
    8,091.96/11,166.84 = 4,555.50/x
  3. Step 3: Cross multiply
    8,091.96x = 11,166.84 × 4,555.50
  4. Step 4: Simplify right side
    8,091.96x = 50,870,539.62
  5. Step 5: Solve for x
    x = 50,870,539.62/8,091.96
  6. Step 6: Final answer
    x = 6,286.55

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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.