Home / 4,976.61-6,867.86-2,738.54

Finding the Fourth Proportional to 4,976.61, 6,867.86 and 2,738.54

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Solution

The fourth proportional to 4,976.61, 6,867.86 and 2,738.54 is: 3,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.61 : 6,867.86 = 2,738.54 : x
  2. Step 2: Convert to fraction form
    4,976.61/6,867.86 = 2,738.54/x
  3. Step 3: Cross multiply
    4,976.61x = 6,867.86 × 2,738.54
  4. Step 4: Simplify right side
    4,976.61x = 18,807,912.80
  5. Step 5: Solve for x
    x = 18,807,912.80/4,976.61
  6. Step 6: Final answer
    x = 3,779.26

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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.