Home / 8,906.76-13,360.66-2,666.12

Finding the Fourth Proportional to 8,906.76, 13,360.66 and 2,666.12

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Solution

The fourth proportional to 8,906.76, 13,360.66 and 2,666.12 is: 3,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.76 : 13,360.66 = 2,666.12 : x
  2. Step 2: Convert to fraction form
    8,906.76/13,360.66 = 2,666.12/x
  3. Step 3: Cross multiply
    8,906.76x = 13,360.66 × 2,666.12
  4. Step 4: Simplify right side
    8,906.76x = 35,621,049.37
  5. Step 5: Solve for x
    x = 35,621,049.37/8,906.76
  6. Step 6: Final answer
    x = 3,999.33

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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.