Home / 9,103.75-13,657.79-2,947.75

Finding the Fourth Proportional to 9,103.75, 13,657.79 and 2,947.75

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Solution

The fourth proportional to 9,103.75, 13,657.79 and 2,947.75 is: 4,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.75 : 13,657.79 = 2,947.75 : x
  2. Step 2: Convert to fraction form
    9,103.75/13,657.79 = 2,947.75/x
  3. Step 3: Cross multiply
    9,103.75x = 13,657.79 × 2,947.75
  4. Step 4: Simplify right side
    9,103.75x = 40,259,735.73
  5. Step 5: Solve for x
    x = 40,259,735.73/9,103.75
  6. Step 6: Final answer
    x = 4,422.32

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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.