Home / 9,125.05-13,682.10-3,571.78

Finding the Fourth Proportional to 9,125.05, 13,682.10 and 3,571.78

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Solution

The fourth proportional to 9,125.05, 13,682.10 and 3,571.78 is: 5,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.05 : 13,682.10 = 3,571.78 : x
  2. Step 2: Convert to fraction form
    9,125.05/13,682.10 = 3,571.78/x
  3. Step 3: Cross multiply
    9,125.05x = 13,682.10 × 3,571.78
  4. Step 4: Simplify right side
    9,125.05x = 48,869,451.14
  5. Step 5: Solve for x
    x = 48,869,451.14/9,125.05
  6. Step 6: Final answer
    x = 5,355.53

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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.