Home / 5,028.36-6,938.13-2,789.76

Finding the Fourth Proportional to 5,028.36, 6,938.13 and 2,789.76

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Solution

The fourth proportional to 5,028.36, 6,938.13 and 2,789.76 is: 3,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.36 : 6,938.13 = 2,789.76 : x
  2. Step 2: Convert to fraction form
    5,028.36/6,938.13 = 2,789.76/x
  3. Step 3: Cross multiply
    5,028.36x = 6,938.13 × 2,789.76
  4. Step 4: Simplify right side
    5,028.36x = 19,355,717.55
  5. Step 5: Solve for x
    x = 19,355,717.55/5,028.36
  6. Step 6: Final answer
    x = 3,849.31

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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.