Home / 5,027.90-6,938.04-2,789.74

Finding the Fourth Proportional to 5,027.90, 6,938.04 and 2,789.74

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Solution

The fourth proportional to 5,027.90, 6,938.04 and 2,789.74 is: 3,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.90 : 6,938.04 = 2,789.74 : x
  2. Step 2: Convert to fraction form
    5,027.90/6,938.04 = 2,789.74/x
  3. Step 3: Cross multiply
    5,027.90x = 6,938.04 × 2,789.74
  4. Step 4: Simplify right side
    5,027.90x = 19,355,327.71
  5. Step 5: Solve for x
    x = 19,355,327.71/5,027.90
  6. Step 6: Final answer
    x = 3,849.58

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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.