Home / 4,976.66-6,867.61-2,738.48

Finding the Fourth Proportional to 4,976.66, 6,867.61 and 2,738.48

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Solution

The fourth proportional to 4,976.66, 6,867.61 and 2,738.48 is: 3,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.66 : 6,867.61 = 2,738.48 : x
  2. Step 2: Convert to fraction form
    4,976.66/6,867.61 = 2,738.48/x
  3. Step 3: Cross multiply
    4,976.66x = 6,867.61 × 2,738.48
  4. Step 4: Simplify right side
    4,976.66x = 18,806,793.29
  5. Step 5: Solve for x
    x = 18,806,793.29/4,976.66
  6. Step 6: Final answer
    x = 3,779.00

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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.