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Finding the Fourth Proportional to 7,863.95, 11,795.93 and 2,669.87

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Solution

The fourth proportional to 7,863.95, 11,795.93 and 2,669.87 is: 4,004.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.95 : 11,795.93 = 2,669.87 : x
  2. Step 2: Convert to fraction form
    7,863.95/11,795.93 = 2,669.87/x
  3. Step 3: Cross multiply
    7,863.95x = 11,795.93 × 2,669.87
  4. Step 4: Simplify right side
    7,863.95x = 31,493,599.63
  5. Step 5: Solve for x
    x = 31,493,599.63/7,863.95
  6. Step 6: Final answer
    x = 4,004.81

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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.