Home / 4,912.79-7,371.35-2,603.75

Finding the Fourth Proportional to 4,912.79, 7,371.35 and 2,603.75

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Solution

The fourth proportional to 4,912.79, 7,371.35 and 2,603.75 is: 3,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.79 : 7,371.35 = 2,603.75 : x
  2. Step 2: Convert to fraction form
    4,912.79/7,371.35 = 2,603.75/x
  3. Step 3: Cross multiply
    4,912.79x = 7,371.35 × 2,603.75
  4. Step 4: Simplify right side
    4,912.79x = 19,193,152.56
  5. Step 5: Solve for x
    x = 19,193,152.56/4,912.79
  6. Step 6: Final answer
    x = 3,906.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.