Home / 6,922.83-10,382.95-1,857.09

Finding the Fourth Proportional to 6,922.83, 10,382.95 and 1,857.09

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Solution

The fourth proportional to 6,922.83, 10,382.95 and 1,857.09 is: 2,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.83 : 10,382.95 = 1,857.09 : x
  2. Step 2: Convert to fraction form
    6,922.83/10,382.95 = 1,857.09/x
  3. Step 3: Cross multiply
    6,922.83x = 10,382.95 × 1,857.09
  4. Step 4: Simplify right side
    6,922.83x = 19,282,072.62
  5. Step 5: Solve for x
    x = 19,282,072.62/6,922.83
  6. Step 6: Final answer
    x = 2,785.29

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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.