Home / 8,018.22-12,027.26-2,756.90

Finding the Fourth Proportional to 8,018.22, 12,027.26 and 2,756.90

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Solution

The fourth proportional to 8,018.22, 12,027.26 and 2,756.90 is: 4,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.22 : 12,027.26 = 2,756.90 : x
  2. Step 2: Convert to fraction form
    8,018.22/12,027.26 = 2,756.90/x
  3. Step 3: Cross multiply
    8,018.22x = 12,027.26 × 2,756.90
  4. Step 4: Simplify right side
    8,018.22x = 33,157,953.09
  5. Step 5: Solve for x
    x = 33,157,953.09/8,018.22
  6. Step 6: Final answer
    x = 4,135.33

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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.