Home / 4,853.44-7,285.76-2,781.28

Finding the Fourth Proportional to 4,853.44, 7,285.76 and 2,781.28

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Solution

The fourth proportional to 4,853.44, 7,285.76 and 2,781.28 is: 4,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.44 : 7,285.76 = 2,781.28 : x
  2. Step 2: Convert to fraction form
    4,853.44/7,285.76 = 2,781.28/x
  3. Step 3: Cross multiply
    4,853.44x = 7,285.76 × 2,781.28
  4. Step 4: Simplify right side
    4,853.44x = 20,263,738.57
  5. Step 5: Solve for x
    x = 20,263,738.57/4,853.44
  6. Step 6: Final answer
    x = 4,175.13

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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.