Home / 8,942.80-13,404.46-3,742.60

Finding the Fourth Proportional to 8,942.80, 13,404.46 and 3,742.60

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Solution

The fourth proportional to 8,942.80, 13,404.46 and 3,742.60 is: 5,609.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.80 : 13,404.46 = 3,742.60 : x
  2. Step 2: Convert to fraction form
    8,942.80/13,404.46 = 3,742.60/x
  3. Step 3: Cross multiply
    8,942.80x = 13,404.46 × 3,742.60
  4. Step 4: Simplify right side
    8,942.80x = 50,167,532.00
  5. Step 5: Solve for x
    x = 50,167,532.00/8,942.80
  6. Step 6: Final answer
    x = 5,609.82

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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.