Home / 9,128.38-13,692.03-2,554.42

Finding the Fourth Proportional to 9,128.38, 13,692.03 and 2,554.42

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Solution

The fourth proportional to 9,128.38, 13,692.03 and 2,554.42 is: 3,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.38 : 13,692.03 = 2,554.42 : x
  2. Step 2: Convert to fraction form
    9,128.38/13,692.03 = 2,554.42/x
  3. Step 3: Cross multiply
    9,128.38x = 13,692.03 × 2,554.42
  4. Step 4: Simplify right side
    9,128.38x = 34,975,195.27
  5. Step 5: Solve for x
    x = 34,975,195.27/9,128.38
  6. Step 6: Final answer
    x = 3,831.48

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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.