Home / 7,072.62-10,608.98-2,142.64

Finding the Fourth Proportional to 7,072.62, 10,608.98 and 2,142.64

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Solution

The fourth proportional to 7,072.62, 10,608.98 and 2,142.64 is: 3,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.62 : 10,608.98 = 2,142.64 : x
  2. Step 2: Convert to fraction form
    7,072.62/10,608.98 = 2,142.64/x
  3. Step 3: Cross multiply
    7,072.62x = 10,608.98 × 2,142.64
  4. Step 4: Simplify right side
    7,072.62x = 22,731,224.91
  5. Step 5: Solve for x
    x = 22,731,224.91/7,072.62
  6. Step 6: Final answer
    x = 3,213.98

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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.