Home / 4,928.43-7,395.38-2,738.40

Finding the Fourth Proportional to 4,928.43, 7,395.38 and 2,738.40

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Solution

The fourth proportional to 4,928.43, 7,395.38 and 2,738.40 is: 4,109.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.43 : 7,395.38 = 2,738.40 : x
  2. Step 2: Convert to fraction form
    4,928.43/7,395.38 = 2,738.40/x
  3. Step 3: Cross multiply
    4,928.43x = 7,395.38 × 2,738.40
  4. Step 4: Simplify right side
    4,928.43x = 20,251,508.59
  5. Step 5: Solve for x
    x = 20,251,508.59/4,928.43
  6. Step 6: Final answer
    x = 4,109.12

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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.