Home / 4,759.85-7,141.75-2,911.03

Finding the Fourth Proportional to 4,759.85, 7,141.75 and 2,911.03

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Solution

The fourth proportional to 4,759.85, 7,141.75 and 2,911.03 is: 4,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.85 : 7,141.75 = 2,911.03 : x
  2. Step 2: Convert to fraction form
    4,759.85/7,141.75 = 2,911.03/x
  3. Step 3: Cross multiply
    4,759.85x = 7,141.75 × 2,911.03
  4. Step 4: Simplify right side
    4,759.85x = 20,789,848.50
  5. Step 5: Solve for x
    x = 20,789,848.50/4,759.85
  6. Step 6: Final answer
    x = 4,367.75

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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.