Home / 8,133.09-12,201.35-3,135.59

Finding the Fourth Proportional to 8,133.09, 12,201.35 and 3,135.59

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Solution

The fourth proportional to 8,133.09, 12,201.35 and 3,135.59 is: 4,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.09 : 12,201.35 = 3,135.59 : x
  2. Step 2: Convert to fraction form
    8,133.09/12,201.35 = 3,135.59/x
  3. Step 3: Cross multiply
    8,133.09x = 12,201.35 × 3,135.59
  4. Step 4: Simplify right side
    8,133.09x = 38,258,431.05
  5. Step 5: Solve for x
    x = 38,258,431.05/8,133.09
  6. Step 6: Final answer
    x = 4,704.05

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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.