Home / 4,814.90-7,222.61-1,351.88

Finding the Fourth Proportional to 4,814.90, 7,222.61 and 1,351.88

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Solution

The fourth proportional to 4,814.90, 7,222.61 and 1,351.88 is: 2,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.90 : 7,222.61 = 1,351.88 : x
  2. Step 2: Convert to fraction form
    4,814.90/7,222.61 = 1,351.88/x
  3. Step 3: Cross multiply
    4,814.90x = 7,222.61 × 1,351.88
  4. Step 4: Simplify right side
    4,814.90x = 9,764,069.27
  5. Step 5: Solve for x
    x = 9,764,069.27/4,814.90
  6. Step 6: Final answer
    x = 2,027.89

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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.