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Finding the Fourth Proportional to 5,648, 8,472 and 2,000

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Solution

The fourth proportional to 5,648, 8,472 and 2,000 is: 3,000

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648 : 8,472 = 2,000 : x
  2. Step 2: Convert to fraction form
    5,648/8,472 = 2,000/x
  3. Step 3: Cross multiply
    5,648x = 8,472 × 2,000
  4. Step 4: Simplify right side
    5,648x = 16,944,000
  5. Step 5: Solve for x
    x = 16,944,000/5,648
  6. Step 6: Final answer
    x = 3,000

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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.