Home / 5,027.94-6,938.55-2,790.17

Finding the Fourth Proportional to 5,027.94, 6,938.55 and 2,790.17

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Solution

The fourth proportional to 5,027.94, 6,938.55 and 2,790.17 is: 3,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.94 : 6,938.55 = 2,790.17 : x
  2. Step 2: Convert to fraction form
    5,027.94/6,938.55 = 2,790.17/x
  3. Step 3: Cross multiply
    5,027.94x = 6,938.55 × 2,790.17
  4. Step 4: Simplify right side
    5,027.94x = 19,359,734.05
  5. Step 5: Solve for x
    x = 19,359,734.05/5,027.94
  6. Step 6: Final answer
    x = 3,850.43

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1.5x scale

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.