Home / 9,128.12-13,692.18-3,584.08

Finding the Fourth Proportional to 9,128.12, 13,692.18 and 3,584.08

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Solution

The fourth proportional to 9,128.12, 13,692.18 and 3,584.08 is: 5,376.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.12 : 13,692.18 = 3,584.08 : x
  2. Step 2: Convert to fraction form
    9,128.12/13,692.18 = 3,584.08/x
  3. Step 3: Cross multiply
    9,128.12x = 13,692.18 × 3,584.08
  4. Step 4: Simplify right side
    9,128.12x = 49,073,868.49
  5. Step 5: Solve for x
    x = 49,073,868.49/9,128.12
  6. Step 6: Final answer
    x = 5,376.12

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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.