Home / 7,270.09-10,889.62-3,516.19

Finding the Fourth Proportional to 7,270.09, 10,889.62 and 3,516.19

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Solution

The fourth proportional to 7,270.09, 10,889.62 and 3,516.19 is: 5,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.09 : 10,889.62 = 3,516.19 : x
  2. Step 2: Convert to fraction form
    7,270.09/10,889.62 = 3,516.19/x
  3. Step 3: Cross multiply
    7,270.09x = 10,889.62 × 3,516.19
  4. Step 4: Simplify right side
    7,270.09x = 38,289,972.95
  5. Step 5: Solve for x
    x = 38,289,972.95/7,270.09
  6. Step 6: Final answer
    x = 5,266.78

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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.