Home / 4,251.44-6,378.75-1,329.97

Finding the Fourth Proportional to 4,251.44, 6,378.75 and 1,329.97

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Solution

The fourth proportional to 4,251.44, 6,378.75 and 1,329.97 is: 1,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.44 : 6,378.75 = 1,329.97 : x
  2. Step 2: Convert to fraction form
    4,251.44/6,378.75 = 1,329.97/x
  3. Step 3: Cross multiply
    4,251.44x = 6,378.75 × 1,329.97
  4. Step 4: Simplify right side
    4,251.44x = 8,483,542.15
  5. Step 5: Solve for x
    x = 8,483,542.15/4,251.44
  6. Step 6: Final answer
    x = 1,995.45

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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.