Home / 5,216.70-7,823.81-2,096.72

Finding the Fourth Proportional to 5,216.70, 7,823.81 and 2,096.72

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Solution

The fourth proportional to 5,216.70, 7,823.81 and 2,096.72 is: 3,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.70 : 7,823.81 = 2,096.72 : x
  2. Step 2: Convert to fraction form
    5,216.70/7,823.81 = 2,096.72/x
  3. Step 3: Cross multiply
    5,216.70x = 7,823.81 × 2,096.72
  4. Step 4: Simplify right side
    5,216.70x = 16,404,305.03
  5. Step 5: Solve for x
    x = 16,404,305.03/5,216.70
  6. Step 6: Final answer
    x = 3,144.58

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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.