Home / 4,272.75-5,896.80-3,377.70

Finding the Fourth Proportional to 4,272.75, 5,896.80 and 3,377.70

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Solution

The fourth proportional to 4,272.75, 5,896.80 and 3,377.70 is: 4,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.75 : 5,896.80 = 3,377.70 : x
  2. Step 2: Convert to fraction form
    4,272.75/5,896.80 = 3,377.70/x
  3. Step 3: Cross multiply
    4,272.75x = 5,896.80 × 3,377.70
  4. Step 4: Simplify right side
    4,272.75x = 19,917,621.36
  5. Step 5: Solve for x
    x = 19,917,621.36/4,272.75
  6. Step 6: Final answer
    x = 4,661.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.