Home / 7,072.05-10,608.10-2,141.73

Finding the Fourth Proportional to 7,072.05, 10,608.10 and 2,141.73

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Solution

The fourth proportional to 7,072.05, 10,608.10 and 2,141.73 is: 3,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.05 : 10,608.10 = 2,141.73 : x
  2. Step 2: Convert to fraction form
    7,072.05/10,608.10 = 2,141.73/x
  3. Step 3: Cross multiply
    7,072.05x = 10,608.10 × 2,141.73
  4. Step 4: Simplify right side
    7,072.05x = 22,719,686.01
  5. Step 5: Solve for x
    x = 22,719,686.01/7,072.05
  6. Step 6: Final answer
    x = 3,212.60

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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.