Home / 9,018.49-13,529.22-2,778.37

Finding the Fourth Proportional to 9,018.49, 13,529.22 and 2,778.37

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Solution

The fourth proportional to 9,018.49, 13,529.22 and 2,778.37 is: 4,168.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.49 : 13,529.22 = 2,778.37 : x
  2. Step 2: Convert to fraction form
    9,018.49/13,529.22 = 2,778.37/x
  3. Step 3: Cross multiply
    9,018.49x = 13,529.22 × 2,778.37
  4. Step 4: Simplify right side
    9,018.49x = 37,589,134.73
  5. Step 5: Solve for x
    x = 37,589,134.73/9,018.49
  6. Step 6: Final answer
    x = 4,168.01

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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.