Home / 4,912.26-7,358.52-2,439.60

Finding the Fourth Proportional to 4,912.26, 7,358.52 and 2,439.60

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Solution

The fourth proportional to 4,912.26, 7,358.52 and 2,439.60 is: 3,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.26 : 7,358.52 = 2,439.60 : x
  2. Step 2: Convert to fraction form
    4,912.26/7,358.52 = 2,439.60/x
  3. Step 3: Cross multiply
    4,912.26x = 7,358.52 × 2,439.60
  4. Step 4: Simplify right side
    4,912.26x = 17,951,845.39
  5. Step 5: Solve for x
    x = 17,951,845.39/4,912.26
  6. Step 6: Final answer
    x = 3,654.50

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1.5x scale

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.