Home / 4,811.10-7,222.77-3,239.90

Finding the Fourth Proportional to 4,811.10, 7,222.77 and 3,239.90

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Solution

The fourth proportional to 4,811.10, 7,222.77 and 3,239.90 is: 4,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.10 : 7,222.77 = 3,239.90 : x
  2. Step 2: Convert to fraction form
    4,811.10/7,222.77 = 3,239.90/x
  3. Step 3: Cross multiply
    4,811.10x = 7,222.77 × 3,239.90
  4. Step 4: Simplify right side
    4,811.10x = 23,401,043.49
  5. Step 5: Solve for x
    x = 23,401,043.49/4,811.10
  6. Step 6: Final answer
    x = 4,863.97

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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.