Home / 4,935.87-6,811.70-2,947.59

Finding the Fourth Proportional to 4,935.87, 6,811.70 and 2,947.59

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Solution

The fourth proportional to 4,935.87, 6,811.70 and 2,947.59 is: 4,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.87 : 6,811.70 = 2,947.59 : x
  2. Step 2: Convert to fraction form
    4,935.87/6,811.70 = 2,947.59/x
  3. Step 3: Cross multiply
    4,935.87x = 6,811.70 × 2,947.59
  4. Step 4: Simplify right side
    4,935.87x = 20,078,084.07
  5. Step 5: Solve for x
    x = 20,078,084.07/4,935.87
  6. Step 6: Final answer
    x = 4,067.79

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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.