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Finding the Fourth Proportional to 7,296, 10,945.64 and 2,101.48

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Solution

The fourth proportional to 7,296, 10,945.64 and 2,101.48 is: 3,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296 : 10,945.64 = 2,101.48 : x
  2. Step 2: Convert to fraction form
    7,296/10,945.64 = 2,101.48/x
  3. Step 3: Cross multiply
    7,296x = 10,945.64 × 2,101.48
  4. Step 4: Simplify right side
    7,296x = 23,002,043.55
  5. Step 5: Solve for x
    x = 23,002,043.55/7,296
  6. Step 6: Final answer
    x = 3,152.69

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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.