Home / 5,222.16-7,828.00-2,101.59

Finding the Fourth Proportional to 5,222.16, 7,828.00 and 2,101.59

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Solution

The fourth proportional to 5,222.16, 7,828.00 and 2,101.59 is: 3,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.16 : 7,828.00 = 2,101.59 : x
  2. Step 2: Convert to fraction form
    5,222.16/7,828.00 = 2,101.59/x
  3. Step 3: Cross multiply
    5,222.16x = 7,828.00 × 2,101.59
  4. Step 4: Simplify right side
    5,222.16x = 16,451,241.27
  5. Step 5: Solve for x
    x = 16,451,241.27/5,222.16
  6. Step 6: Final answer
    x = 3,150.28

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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.