Home / 5,119.52-7,673.42-2,489.56

Finding the Fourth Proportional to 5,119.52, 7,673.42 and 2,489.56

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Solution

The fourth proportional to 5,119.52, 7,673.42 and 2,489.56 is: 3,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.52 : 7,673.42 = 2,489.56 : x
  2. Step 2: Convert to fraction form
    5,119.52/7,673.42 = 2,489.56/x
  3. Step 3: Cross multiply
    5,119.52x = 7,673.42 × 2,489.56
  4. Step 4: Simplify right side
    5,119.52x = 19,103,439.50
  5. Step 5: Solve for x
    x = 19,103,439.50/5,119.52
  6. Step 6: Final answer
    x = 3,731.49

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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.