Home / 4,976.43-6,865.69-3,086.05

Finding the Fourth Proportional to 4,976.43, 6,865.69 and 3,086.05

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Solution

The fourth proportional to 4,976.43, 6,865.69 and 3,086.05 is: 4,257.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.43 : 6,865.69 = 3,086.05 : x
  2. Step 2: Convert to fraction form
    4,976.43/6,865.69 = 3,086.05/x
  3. Step 3: Cross multiply
    4,976.43x = 6,865.69 × 3,086.05
  4. Step 4: Simplify right side
    4,976.43x = 21,187,862.62
  5. Step 5: Solve for x
    x = 21,187,862.62/4,976.43
  6. Step 6: Final answer
    x = 4,257.64

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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.