Home / 9,137.21-13,706.68-2,563.37

Finding the Fourth Proportional to 9,137.21, 13,706.68 and 2,563.37

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Solution

The fourth proportional to 9,137.21, 13,706.68 and 2,563.37 is: 3,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.21 : 13,706.68 = 2,563.37 : x
  2. Step 2: Convert to fraction form
    9,137.21/13,706.68 = 2,563.37/x
  3. Step 3: Cross multiply
    9,137.21x = 13,706.68 × 2,563.37
  4. Step 4: Simplify right side
    9,137.21x = 35,135,320.17
  5. Step 5: Solve for x
    x = 35,135,320.17/9,137.21
  6. Step 6: Final answer
    x = 3,845.30

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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.