Home / 4,291.86-6,439.17-1,828.75

Finding the Fourth Proportional to 4,291.86, 6,439.17 and 1,828.75

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Solution

The fourth proportional to 4,291.86, 6,439.17 and 1,828.75 is: 2,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.86 : 6,439.17 = 1,828.75 : x
  2. Step 2: Convert to fraction form
    4,291.86/6,439.17 = 1,828.75/x
  3. Step 3: Cross multiply
    4,291.86x = 6,439.17 × 1,828.75
  4. Step 4: Simplify right side
    4,291.86x = 11,775,632.14
  5. Step 5: Solve for x
    x = 11,775,632.14/4,291.86
  6. Step 6: Final answer
    x = 2,743.71

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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.