Home / 8,811.64-13,216.92-3,617.38

Finding the Fourth Proportional to 8,811.64, 13,216.92 and 3,617.38

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Solution

The fourth proportional to 8,811.64, 13,216.92 and 3,617.38 is: 5,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.64 : 13,216.92 = 3,617.38 : x
  2. Step 2: Convert to fraction form
    8,811.64/13,216.92 = 3,617.38/x
  3. Step 3: Cross multiply
    8,811.64x = 13,216.92 × 3,617.38
  4. Step 4: Simplify right side
    8,811.64x = 47,810,622.07
  5. Step 5: Solve for x
    x = 47,810,622.07/8,811.64
  6. Step 6: Final answer
    x = 5,425.85

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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.