Home / 5,028.08-6,938.58-2,789.90

Finding the Fourth Proportional to 5,028.08, 6,938.58 and 2,789.90

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Solution

The fourth proportional to 5,028.08, 6,938.58 and 2,789.90 is: 3,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.08 : 6,938.58 = 2,789.90 : x
  2. Step 2: Convert to fraction form
    5,028.08/6,938.58 = 2,789.90/x
  3. Step 3: Cross multiply
    5,028.08x = 6,938.58 × 2,789.90
  4. Step 4: Simplify right side
    5,028.08x = 19,357,944.34
  5. Step 5: Solve for x
    x = 19,357,944.34/5,028.08
  6. Step 6: Final answer
    x = 3,849.97

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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.