Home / 8,745.36-13,118.88-2,505.36

Finding the Fourth Proportional to 8,745.36, 13,118.88 and 2,505.36

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Solution

The fourth proportional to 8,745.36, 13,118.88 and 2,505.36 is: 3,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.36 : 13,118.88 = 2,505.36 : x
  2. Step 2: Convert to fraction form
    8,745.36/13,118.88 = 2,505.36/x
  3. Step 3: Cross multiply
    8,745.36x = 13,118.88 × 2,505.36
  4. Step 4: Simplify right side
    8,745.36x = 32,867,517.20
  5. Step 5: Solve for x
    x = 32,867,517.20/8,745.36
  6. Step 6: Final answer
    x = 3,758.28

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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.