Home / 4,771.04-7,147.32-2,684.70

Finding the Fourth Proportional to 4,771.04, 7,147.32 and 2,684.70

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Solution

The fourth proportional to 4,771.04, 7,147.32 and 2,684.70 is: 4,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.04 : 7,147.32 = 2,684.70 : x
  2. Step 2: Convert to fraction form
    4,771.04/7,147.32 = 2,684.70/x
  3. Step 3: Cross multiply
    4,771.04x = 7,147.32 × 2,684.70
  4. Step 4: Simplify right side
    4,771.04x = 19,188,410.00
  5. Step 5: Solve for x
    x = 19,188,410.00/4,771.04
  6. Step 6: Final answer
    x = 4,021.85

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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.