Home / 4,881.21-7,321.81-2,285.97

Finding the Fourth Proportional to 4,881.21, 7,321.81 and 2,285.97

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Solution

The fourth proportional to 4,881.21, 7,321.81 and 2,285.97 is: 3,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.21 : 7,321.81 = 2,285.97 : x
  2. Step 2: Convert to fraction form
    4,881.21/7,321.81 = 2,285.97/x
  3. Step 3: Cross multiply
    4,881.21x = 7,321.81 × 2,285.97
  4. Step 4: Simplify right side
    4,881.21x = 16,737,438.01
  5. Step 5: Solve for x
    x = 16,737,438.01/4,881.21
  6. Step 6: Final answer
    x = 3,428.95

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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.