Home / 4,976.84-6,867.92-2,738.72

Finding the Fourth Proportional to 4,976.84, 6,867.92 and 2,738.72

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Solution

The fourth proportional to 4,976.84, 6,867.92 and 2,738.72 is: 3,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.84 : 6,867.92 = 2,738.72 : x
  2. Step 2: Convert to fraction form
    4,976.84/6,867.92 = 2,738.72/x
  3. Step 3: Cross multiply
    4,976.84x = 6,867.92 × 2,738.72
  4. Step 4: Simplify right side
    4,976.84x = 18,809,309.86
  5. Step 5: Solve for x
    x = 18,809,309.86/4,976.84
  6. Step 6: Final answer
    x = 3,779.37

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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.