Home / 5,449.70-8,176.73-2,489.54

Finding the Fourth Proportional to 5,449.70, 8,176.73 and 2,489.54

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Solution

The fourth proportional to 5,449.70, 8,176.73 and 2,489.54 is: 3,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.70 : 8,176.73 = 2,489.54 : x
  2. Step 2: Convert to fraction form
    5,449.70/8,176.73 = 2,489.54/x
  3. Step 3: Cross multiply
    5,449.70x = 8,176.73 × 2,489.54
  4. Step 4: Simplify right side
    5,449.70x = 20,356,283.96
  5. Step 5: Solve for x
    x = 20,356,283.96/5,449.70
  6. Step 6: Final answer
    x = 3,735.30

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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.