Home / 4,917.59-6,786.40-2,793.05

Finding the Fourth Proportional to 4,917.59, 6,786.40 and 2,793.05

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Solution

The fourth proportional to 4,917.59, 6,786.40 and 2,793.05 is: 3,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.59 : 6,786.40 = 2,793.05 : x
  2. Step 2: Convert to fraction form
    4,917.59/6,786.40 = 2,793.05/x
  3. Step 3: Cross multiply
    4,917.59x = 6,786.40 × 2,793.05
  4. Step 4: Simplify right side
    4,917.59x = 18,954,754.52
  5. Step 5: Solve for x
    x = 18,954,754.52/4,917.59
  6. Step 6: Final answer
    x = 3,854.48

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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.