Home / 4,947.09-6,826.92-2,822.57

Finding the Fourth Proportional to 4,947.09, 6,826.92 and 2,822.57

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Solution

The fourth proportional to 4,947.09, 6,826.92 and 2,822.57 is: 3,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.09 : 6,826.92 = 2,822.57 : x
  2. Step 2: Convert to fraction form
    4,947.09/6,826.92 = 2,822.57/x
  3. Step 3: Cross multiply
    4,947.09x = 6,826.92 × 2,822.57
  4. Step 4: Simplify right side
    4,947.09x = 19,269,425.45
  5. Step 5: Solve for x
    x = 19,269,425.45/4,947.09
  6. Step 6: Final answer
    x = 3,895.10

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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.