Home / 4,935.99-6,811.50-2,947.88

Finding the Fourth Proportional to 4,935.99, 6,811.50 and 2,947.88

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Solution

The fourth proportional to 4,935.99, 6,811.50 and 2,947.88 is: 4,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.99 : 6,811.50 = 2,947.88 : x
  2. Step 2: Convert to fraction form
    4,935.99/6,811.50 = 2,947.88/x
  3. Step 3: Cross multiply
    4,935.99x = 6,811.50 × 2,947.88
  4. Step 4: Simplify right side
    4,935.99x = 20,079,450.56
  5. Step 5: Solve for x
    x = 20,079,450.56/4,935.99
  6. Step 6: Final answer
    x = 4,067.97

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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.