Home / 9,142.54-13,716.60-3,874.84

Finding the Fourth Proportional to 9,142.54, 13,716.60 and 3,874.84

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Solution

The fourth proportional to 9,142.54, 13,716.60 and 3,874.84 is: 5,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.54 : 13,716.60 = 3,874.84 : x
  2. Step 2: Convert to fraction form
    9,142.54/13,716.60 = 3,874.84/x
  3. Step 3: Cross multiply
    9,142.54x = 13,716.60 × 3,874.84
  4. Step 4: Simplify right side
    9,142.54x = 53,149,630.34
  5. Step 5: Solve for x
    x = 53,149,630.34/9,142.54
  6. Step 6: Final answer
    x = 5,813.44

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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.