Home / 5,453.19-8,181-2,986.74

Finding the Fourth Proportional to 5,453.19, 8,181 and 2,986.74

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Solution

The fourth proportional to 5,453.19, 8,181 and 2,986.74 is: 4,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.19 : 8,181 = 2,986.74 : x
  2. Step 2: Convert to fraction form
    5,453.19/8,181 = 2,986.74/x
  3. Step 3: Cross multiply
    5,453.19x = 8,181 × 2,986.74
  4. Step 4: Simplify right side
    5,453.19x = 24,434,519.94
  5. Step 5: Solve for x
    x = 24,434,519.94/5,453.19
  6. Step 6: Final answer
    x = 4,480.78

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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.