Home / 4,954.20-6,838.26-2,859.72

Finding the Fourth Proportional to 4,954.20, 6,838.26 and 2,859.72

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Solution

The fourth proportional to 4,954.20, 6,838.26 and 2,859.72 is: 3,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.20 : 6,838.26 = 2,859.72 : x
  2. Step 2: Convert to fraction form
    4,954.20/6,838.26 = 2,859.72/x
  3. Step 3: Cross multiply
    4,954.20x = 6,838.26 × 2,859.72
  4. Step 4: Simplify right side
    4,954.20x = 19,555,508.89
  5. Step 5: Solve for x
    x = 19,555,508.89/4,954.20
  6. Step 6: Final answer
    x = 3,947.26

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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.