Home / 9,134.09-13,692.75-3,289.28

Finding the Fourth Proportional to 9,134.09, 13,692.75 and 3,289.28

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Solution

The fourth proportional to 9,134.09, 13,692.75 and 3,289.28 is: 4,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.09 : 13,692.75 = 3,289.28 : x
  2. Step 2: Convert to fraction form
    9,134.09/13,692.75 = 3,289.28/x
  3. Step 3: Cross multiply
    9,134.09x = 13,692.75 × 3,289.28
  4. Step 4: Simplify right side
    9,134.09x = 45,039,288.72
  5. Step 5: Solve for x
    x = 45,039,288.72/9,134.09
  6. Step 6: Final answer
    x = 4,930.90

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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.