Home / 5,028.05-6,938.98-2,789.93

Finding the Fourth Proportional to 5,028.05, 6,938.98 and 2,789.93

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Solution

The fourth proportional to 5,028.05, 6,938.98 and 2,789.93 is: 3,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.05 : 6,938.98 = 2,789.93 : x
  2. Step 2: Convert to fraction form
    5,028.05/6,938.98 = 2,789.93/x
  3. Step 3: Cross multiply
    5,028.05x = 6,938.98 × 2,789.93
  4. Step 4: Simplify right side
    5,028.05x = 19,359,278.84
  5. Step 5: Solve for x
    x = 19,359,278.84/5,028.05
  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.