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Finding the Fourth Proportional to 7,796.03, 11,695.21 and 2,865.29

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Solution

The fourth proportional to 7,796.03, 11,695.21 and 2,865.29 is: 4,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796.03 : 11,695.21 = 2,865.29 : x
  2. Step 2: Convert to fraction form
    7,796.03/11,695.21 = 2,865.29/x
  3. Step 3: Cross multiply
    7,796.03x = 11,695.21 × 2,865.29
  4. Step 4: Simplify right side
    7,796.03x = 33,510,176.47
  5. Step 5: Solve for x
    x = 33,510,176.47/7,796.03
  6. Step 6: Final answer
    x = 4,298.36

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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.