Home / 4,604.55-6,906.81-2,139.03

Finding the Fourth Proportional to 4,604.55, 6,906.81 and 2,139.03

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Solution

The fourth proportional to 4,604.55, 6,906.81 and 2,139.03 is: 3,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,604.55 : 6,906.81 = 2,139.03 : x
  2. Step 2: Convert to fraction form
    4,604.55/6,906.81 = 2,139.03/x
  3. Step 3: Cross multiply
    4,604.55x = 6,906.81 × 2,139.03
  4. Step 4: Simplify right side
    4,604.55x = 14,773,873.79
  5. Step 5: Solve for x
    x = 14,773,873.79/4,604.55
  6. Step 6: Final answer
    x = 3,208.54

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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.