Home / 4,947.20-6,827.90-2,822.73

Finding the Fourth Proportional to 4,947.20, 6,827.90 and 2,822.73

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Solution

The fourth proportional to 4,947.20, 6,827.90 and 2,822.73 is: 3,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.20 : 6,827.90 = 2,822.73 : x
  2. Step 2: Convert to fraction form
    4,947.20/6,827.90 = 2,822.73/x
  3. Step 3: Cross multiply
    4,947.20x = 6,827.90 × 2,822.73
  4. Step 4: Simplify right side
    4,947.20x = 19,273,318.17
  5. Step 5: Solve for x
    x = 19,273,318.17/4,947.20
  6. Step 6: Final answer
    x = 3,895.80

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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.