Home / 4,947.32-6,825.39-3,179.90

Finding the Fourth Proportional to 4,947.32, 6,825.39 and 3,179.90

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Solution

The fourth proportional to 4,947.32, 6,825.39 and 3,179.90 is: 4,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.32 : 6,825.39 = 3,179.90 : x
  2. Step 2: Convert to fraction form
    4,947.32/6,825.39 = 3,179.90/x
  3. Step 3: Cross multiply
    4,947.32x = 6,825.39 × 3,179.90
  4. Step 4: Simplify right side
    4,947.32x = 21,704,057.66
  5. Step 5: Solve for x
    x = 21,704,057.66/4,947.32
  6. Step 6: Final answer
    x = 4,387.03

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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.