Home / 5,027.86-6,938.33-2,789.68

Finding the Fourth Proportional to 5,027.86, 6,938.33 and 2,789.68

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Solution

The fourth proportional to 5,027.86, 6,938.33 and 2,789.68 is: 3,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.86 : 6,938.33 = 2,789.68 : x
  2. Step 2: Convert to fraction form
    5,027.86/6,938.33 = 2,789.68/x
  3. Step 3: Cross multiply
    5,027.86x = 6,938.33 × 2,789.68
  4. Step 4: Simplify right side
    5,027.86x = 19,355,748.24
  5. Step 5: Solve for x
    x = 19,355,748.24/5,027.86
  6. Step 6: Final answer
    x = 3,849.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.