Home / 8,664.12-12,993.34-2,819.32

Finding the Fourth Proportional to 8,664.12, 12,993.34 and 2,819.32

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Solution

The fourth proportional to 8,664.12, 12,993.34 and 2,819.32 is: 4,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.12 : 12,993.34 = 2,819.32 : x
  2. Step 2: Convert to fraction form
    8,664.12/12,993.34 = 2,819.32/x
  3. Step 3: Cross multiply
    8,664.12x = 12,993.34 × 2,819.32
  4. Step 4: Simplify right side
    8,664.12x = 36,632,383.33
  5. Step 5: Solve for x
    x = 36,632,383.33/8,664.12
  6. Step 6: Final answer
    x = 4,228.06

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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.