Home / 7,638.82-11,454.48-2,707.75

Finding the Fourth Proportional to 7,638.82, 11,454.48 and 2,707.75

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Solution

The fourth proportional to 7,638.82, 11,454.48 and 2,707.75 is: 4,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.82 : 11,454.48 = 2,707.75 : x
  2. Step 2: Convert to fraction form
    7,638.82/11,454.48 = 2,707.75/x
  3. Step 3: Cross multiply
    7,638.82x = 11,454.48 × 2,707.75
  4. Step 4: Simplify right side
    7,638.82x = 31,015,868.22
  5. Step 5: Solve for x
    x = 31,015,868.22/7,638.82
  6. Step 6: Final answer
    x = 4,060.30

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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.