Home / 6,785.32-10,158.78-4,314

Finding the Fourth Proportional to 6,785.32, 10,158.78 and 4,314

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Solution

The fourth proportional to 6,785.32, 10,158.78 and 4,314 is: 6,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.32 : 10,158.78 = 4,314 : x
  2. Step 2: Convert to fraction form
    6,785.32/10,158.78 = 4,314/x
  3. Step 3: Cross multiply
    6,785.32x = 10,158.78 × 4,314
  4. Step 4: Simplify right side
    6,785.32x = 43,824,976.92
  5. Step 5: Solve for x
    x = 43,824,976.92/6,785.32
  6. Step 6: Final answer
    x = 6,458.79

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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.