Home / 4,947.88-6,830.56-3,826.28

Finding the Fourth Proportional to 4,947.88, 6,830.56 and 3,826.28

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Solution

The fourth proportional to 4,947.88, 6,830.56 and 3,826.28 is: 5,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.88 : 6,830.56 = 3,826.28 : x
  2. Step 2: Convert to fraction form
    4,947.88/6,830.56 = 3,826.28/x
  3. Step 3: Cross multiply
    4,947.88x = 6,830.56 × 3,826.28
  4. Step 4: Simplify right side
    4,947.88x = 26,135,635.12
  5. Step 5: Solve for x
    x = 26,135,635.12/4,947.88
  6. Step 6: Final answer
    x = 5,282.19

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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.