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Finding the Fourth Proportional to 7,093.36, 10,640.04 and 2,162.89

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Solution

The fourth proportional to 7,093.36, 10,640.04 and 2,162.89 is: 3,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.36 : 10,640.04 = 2,162.89 : x
  2. Step 2: Convert to fraction form
    7,093.36/10,640.04 = 2,162.89/x
  3. Step 3: Cross multiply
    7,093.36x = 10,640.04 × 2,162.89
  4. Step 4: Simplify right side
    7,093.36x = 23,013,236.12
  5. Step 5: Solve for x
    x = 23,013,236.12/7,093.36
  6. Step 6: Final answer
    x = 3,244.34

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1.5x scale

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.