Home / 8,115.56-12,173.37-2,272.01

Finding the Fourth Proportional to 8,115.56, 12,173.37 and 2,272.01

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Solution

The fourth proportional to 8,115.56, 12,173.37 and 2,272.01 is: 3,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.56 : 12,173.37 = 2,272.01 : x
  2. Step 2: Convert to fraction form
    8,115.56/12,173.37 = 2,272.01/x
  3. Step 3: Cross multiply
    8,115.56x = 12,173.37 × 2,272.01
  4. Step 4: Simplify right side
    8,115.56x = 27,658,007.01
  5. Step 5: Solve for x
    x = 27,658,007.01/8,115.56
  6. Step 6: Final answer
    x = 3,408.02

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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.