Home / 4,608-6,899.40-3,222.72

Finding the Fourth Proportional to 4,608, 6,899.40 and 3,222.72

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Solution

The fourth proportional to 4,608, 6,899.40 and 3,222.72 is: 4,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608 : 6,899.40 = 3,222.72 : x
  2. Step 2: Convert to fraction form
    4,608/6,899.40 = 3,222.72/x
  3. Step 3: Cross multiply
    4,608x = 6,899.40 × 3,222.72
  4. Step 4: Simplify right side
    4,608x = 22,234,834.37
  5. Step 5: Solve for x
    x = 22,234,834.37/4,608
  6. Step 6: Final answer
    x = 4,825.27

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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.