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Finding the Fourth Proportional to 17,120, 25,680 and 4,808

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Solution

The fourth proportional to 17,120, 25,680 and 4,808 is: 7,212

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120 : 25,680 = 4,808 : x
  2. Step 2: Convert to fraction form
    17,120/25,680 = 4,808/x
  3. Step 3: Cross multiply
    17,120x = 25,680 × 4,808
  4. Step 4: Simplify right side
    17,120x = 123,469,440
  5. Step 5: Solve for x
    x = 123,469,440/17,120
  6. Step 6: Final answer
    x = 7,212

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.