Home / 6,725.81-10,090.34-2,108.81

Finding the Fourth Proportional to 6,725.81, 10,090.34 and 2,108.81

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Solution

The fourth proportional to 6,725.81, 10,090.34 and 2,108.81 is: 3,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,725.81 : 10,090.34 = 2,108.81 : x
  2. Step 2: Convert to fraction form
    6,725.81/10,090.34 = 2,108.81/x
  3. Step 3: Cross multiply
    6,725.81x = 10,090.34 × 2,108.81
  4. Step 4: Simplify right side
    6,725.81x = 21,278,632.49
  5. Step 5: Solve for x
    x = 21,278,632.49/6,725.81
  6. Step 6: Final answer
    x = 3,163.73

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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.