Home / 6,785.36-10,179.96-2,168.72

Finding the Fourth Proportional to 6,785.36, 10,179.96 and 2,168.72

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Solution

The fourth proportional to 6,785.36, 10,179.96 and 2,168.72 is: 3,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.36 : 10,179.96 = 2,168.72 : x
  2. Step 2: Convert to fraction form
    6,785.36/10,179.96 = 2,168.72/x
  3. Step 3: Cross multiply
    6,785.36x = 10,179.96 × 2,168.72
  4. Step 4: Simplify right side
    6,785.36x = 22,077,482.85
  5. Step 5: Solve for x
    x = 22,077,482.85/6,785.36
  6. Step 6: Final answer
    x = 3,253.69

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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.