Home / 8,811.76-13,216.92-2,966.80

Finding the Fourth Proportional to 8,811.76, 13,216.92 and 2,966.80

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Solution

The fourth proportional to 8,811.76, 13,216.92 and 2,966.80 is: 4,449.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.76 : 13,216.92 = 2,966.80 : x
  2. Step 2: Convert to fraction form
    8,811.76/13,216.92 = 2,966.80/x
  3. Step 3: Cross multiply
    8,811.76x = 13,216.92 × 2,966.80
  4. Step 4: Simplify right side
    8,811.76x = 39,211,958.26
  5. Step 5: Solve for x
    x = 39,211,958.26/8,811.76
  6. Step 6: Final answer
    x = 4,449.96

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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.