Home / 4,937.05-6,813.21-2,947.78

Finding the Fourth Proportional to 4,937.05, 6,813.21 and 2,947.78

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Solution

The fourth proportional to 4,937.05, 6,813.21 and 2,947.78 is: 4,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.05 : 6,813.21 = 2,947.78 : x
  2. Step 2: Convert to fraction form
    4,937.05/6,813.21 = 2,947.78/x
  3. Step 3: Cross multiply
    4,937.05x = 6,813.21 × 2,947.78
  4. Step 4: Simplify right side
    4,937.05x = 20,083,844.17
  5. Step 5: Solve for x
    x = 20,083,844.17/4,937.05
  6. Step 6: Final answer
    x = 4,067.98

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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.