Home / 6,857.73-10,286.60-1,663.61

Finding the Fourth Proportional to 6,857.73, 10,286.60 and 1,663.61

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Solution

The fourth proportional to 6,857.73, 10,286.60 and 1,663.61 is: 2,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.73 : 10,286.60 = 1,663.61 : x
  2. Step 2: Convert to fraction form
    6,857.73/10,286.60 = 1,663.61/x
  3. Step 3: Cross multiply
    6,857.73x = 10,286.60 × 1,663.61
  4. Step 4: Simplify right side
    6,857.73x = 17,112,830.87
  5. Step 5: Solve for x
    x = 17,112,830.87/6,857.73
  6. Step 6: Final answer
    x = 2,495.41

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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.