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Finding the Fourth Proportional to 8,133.56, 12,201.06 and 2,290.22

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Solution

The fourth proportional to 8,133.56, 12,201.06 and 2,290.22 is: 3,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.56 : 12,201.06 = 2,290.22 : x
  2. Step 2: Convert to fraction form
    8,133.56/12,201.06 = 2,290.22/x
  3. Step 3: Cross multiply
    8,133.56x = 12,201.06 × 2,290.22
  4. Step 4: Simplify right side
    8,133.56x = 27,943,111.63
  5. Step 5: Solve for x
    x = 27,943,111.63/8,133.56
  6. Step 6: Final answer
    x = 3,435.53

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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.