Home / 8,538.12-12,799.60-4,093.36

Finding the Fourth Proportional to 8,538.12, 12,799.60 and 4,093.36

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Solution

The fourth proportional to 8,538.12, 12,799.60 and 4,093.36 is: 6,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.12 : 12,799.60 = 4,093.36 : x
  2. Step 2: Convert to fraction form
    8,538.12/12,799.60 = 4,093.36/x
  3. Step 3: Cross multiply
    8,538.12x = 12,799.60 × 4,093.36
  4. Step 4: Simplify right side
    8,538.12x = 52,393,370.66
  5. Step 5: Solve for x
    x = 52,393,370.66/8,538.12
  6. Step 6: Final answer
    x = 6,136.41

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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.