Home / 8,745.05-13,115.29-2,503.60

Finding the Fourth Proportional to 8,745.05, 13,115.29 and 2,503.60

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Solution

The fourth proportional to 8,745.05, 13,115.29 and 2,503.60 is: 3,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.05 : 13,115.29 = 2,503.60 : x
  2. Step 2: Convert to fraction form
    8,745.05/13,115.29 = 2,503.60/x
  3. Step 3: Cross multiply
    8,745.05x = 13,115.29 × 2,503.60
  4. Step 4: Simplify right side
    8,745.05x = 32,835,449.62
  5. Step 5: Solve for x
    x = 32,835,449.62/8,745.05
  6. Step 6: Final answer
    x = 3,754.75

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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.