Home / 4,519.62-6,780.06-1,399.89

Finding the Fourth Proportional to 4,519.62, 6,780.06 and 1,399.89

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Solution

The fourth proportional to 4,519.62, 6,780.06 and 1,399.89 is: 2,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.62 : 6,780.06 = 1,399.89 : x
  2. Step 2: Convert to fraction form
    4,519.62/6,780.06 = 1,399.89/x
  3. Step 3: Cross multiply
    4,519.62x = 6,780.06 × 1,399.89
  4. Step 4: Simplify right side
    4,519.62x = 9,491,338.19
  5. Step 5: Solve for x
    x = 9,491,338.19/4,519.62
  6. Step 6: Final answer
    x = 2,100.03

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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.