Home / 6,785.88-10,182.21-3,278.85

Finding the Fourth Proportional to 6,785.88, 10,182.21 and 3,278.85

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Solution

The fourth proportional to 6,785.88, 10,182.21 and 3,278.85 is: 4,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.88 : 10,182.21 = 3,278.85 : x
  2. Step 2: Convert to fraction form
    6,785.88/10,182.21 = 3,278.85/x
  3. Step 3: Cross multiply
    6,785.88x = 10,182.21 × 3,278.85
  4. Step 4: Simplify right side
    6,785.88x = 33,385,939.26
  5. Step 5: Solve for x
    x = 33,385,939.26/6,785.88
  6. Step 6: Final answer
    x = 4,919.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.