Home / 4,811.82-7,218-1,349.34

Finding the Fourth Proportional to 4,811.82, 7,218 and 1,349.34

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Solution

The fourth proportional to 4,811.82, 7,218 and 1,349.34 is: 2,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.82 : 7,218 = 1,349.34 : x
  2. Step 2: Convert to fraction form
    4,811.82/7,218 = 1,349.34/x
  3. Step 3: Cross multiply
    4,811.82x = 7,218 × 1,349.34
  4. Step 4: Simplify right side
    4,811.82x = 9,739,536.12
  5. Step 5: Solve for x
    x = 9,739,536.12/4,811.82
  6. Step 6: Final answer
    x = 2,024.09

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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.