Home / 5,028.49-6,938.94-2,790.19

Finding the Fourth Proportional to 5,028.49, 6,938.94 and 2,790.19

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Solution

The fourth proportional to 5,028.49, 6,938.94 and 2,790.19 is: 3,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.49 : 6,938.94 = 2,790.19 : x
  2. Step 2: Convert to fraction form
    5,028.49/6,938.94 = 2,790.19/x
  3. Step 3: Cross multiply
    5,028.49x = 6,938.94 × 2,790.19
  4. Step 4: Simplify right side
    5,028.49x = 19,360,961.00
  5. Step 5: Solve for x
    x = 19,360,961.00/5,028.49
  6. Step 6: Final answer
    x = 3,850.25

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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.