Home / 9,128.08-13,692.12-3,284.54

Finding the Fourth Proportional to 9,128.08, 13,692.12 and 3,284.54

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Solution

The fourth proportional to 9,128.08, 13,692.12 and 3,284.54 is: 4,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.08 : 13,692.12 = 3,284.54 : x
  2. Step 2: Convert to fraction form
    9,128.08/13,692.12 = 3,284.54/x
  3. Step 3: Cross multiply
    9,128.08x = 13,692.12 × 3,284.54
  4. Step 4: Simplify right side
    9,128.08x = 44,972,315.82
  5. Step 5: Solve for x
    x = 44,972,315.82/9,128.08
  6. Step 6: Final answer
    x = 4,926.81

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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.