Home / 8,906.12-13,359.52-2,666.22

Finding the Fourth Proportional to 8,906.12, 13,359.52 and 2,666.22

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Solution

The fourth proportional to 8,906.12, 13,359.52 and 2,666.22 is: 3,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.12 : 13,359.52 = 2,666.22 : x
  2. Step 2: Convert to fraction form
    8,906.12/13,359.52 = 2,666.22/x
  3. Step 3: Cross multiply
    8,906.12x = 13,359.52 × 2,666.22
  4. Step 4: Simplify right side
    8,906.12x = 35,619,419.41
  5. Step 5: Solve for x
    x = 35,619,419.41/8,906.12
  6. Step 6: Final answer
    x = 3,999.43

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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.