Home / 8,577.54-12,869.19-3,380.58

Finding the Fourth Proportional to 8,577.54, 12,869.19 and 3,380.58

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Solution

The fourth proportional to 8,577.54, 12,869.19 and 3,380.58 is: 5,072.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.54 : 12,869.19 = 3,380.58 : x
  2. Step 2: Convert to fraction form
    8,577.54/12,869.19 = 3,380.58/x
  3. Step 3: Cross multiply
    8,577.54x = 12,869.19 × 3,380.58
  4. Step 4: Simplify right side
    8,577.54x = 43,505,326.33
  5. Step 5: Solve for x
    x = 43,505,326.33/8,577.54
  6. Step 6: Final answer
    x = 5,072.01

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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.