Home / 6,288.83-9,435.94-2,129.28

Finding the Fourth Proportional to 6,288.83, 9,435.94 and 2,129.28

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Solution

The fourth proportional to 6,288.83, 9,435.94 and 2,129.28 is: 3,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.83 : 9,435.94 = 2,129.28 : x
  2. Step 2: Convert to fraction form
    6,288.83/9,435.94 = 2,129.28/x
  3. Step 3: Cross multiply
    6,288.83x = 9,435.94 × 2,129.28
  4. Step 4: Simplify right side
    6,288.83x = 20,091,717.62
  5. Step 5: Solve for x
    x = 20,091,717.62/6,288.83
  6. Step 6: Final answer
    x = 3,194.83

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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.