Home / 6,785.88-10,178.33-2,105.77

Finding the Fourth Proportional to 6,785.88, 10,178.33 and 2,105.77

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Solution

The fourth proportional to 6,785.88, 10,178.33 and 2,105.77 is: 3,158.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.88 : 10,178.33 = 2,105.77 : x
  2. Step 2: Convert to fraction form
    6,785.88/10,178.33 = 2,105.77/x
  3. Step 3: Cross multiply
    6,785.88x = 10,178.33 × 2,105.77
  4. Step 4: Simplify right side
    6,785.88x = 21,433,221.96
  5. Step 5: Solve for x
    x = 21,433,221.96/6,785.88
  6. Step 6: Final answer
    x = 3,158.50

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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.