Home / 4,163.46-5,739.78-2,902.68

Finding the Fourth Proportional to 4,163.46, 5,739.78 and 2,902.68

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Solution

The fourth proportional to 4,163.46, 5,739.78 and 2,902.68 is: 4,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.46 : 5,739.78 = 2,902.68 : x
  2. Step 2: Convert to fraction form
    4,163.46/5,739.78 = 2,902.68/x
  3. Step 3: Cross multiply
    4,163.46x = 5,739.78 × 2,902.68
  4. Step 4: Simplify right side
    4,163.46x = 16,660,744.61
  5. Step 5: Solve for x
    x = 16,660,744.61/4,163.46
  6. Step 6: Final answer
    x = 4,001.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.