Home / 8,928.62-13,396.57-3,089.33

Finding the Fourth Proportional to 8,928.62, 13,396.57 and 3,089.33

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Solution

The fourth proportional to 8,928.62, 13,396.57 and 3,089.33 is: 4,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.62 : 13,396.57 = 3,089.33 : x
  2. Step 2: Convert to fraction form
    8,928.62/13,396.57 = 3,089.33/x
  3. Step 3: Cross multiply
    8,928.62x = 13,396.57 × 3,089.33
  4. Step 4: Simplify right side
    8,928.62x = 41,386,425.60
  5. Step 5: Solve for x
    x = 41,386,425.60/8,928.62
  6. Step 6: Final answer
    x = 4,635.25

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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.