Home / 4,814.85-7,219.54-1,891.56

Finding the Fourth Proportional to 4,814.85, 7,219.54 and 1,891.56

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Solution

The fourth proportional to 4,814.85, 7,219.54 and 1,891.56 is: 2,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.85 : 7,219.54 = 1,891.56 : x
  2. Step 2: Convert to fraction form
    4,814.85/7,219.54 = 1,891.56/x
  3. Step 3: Cross multiply
    4,814.85x = 7,219.54 × 1,891.56
  4. Step 4: Simplify right side
    4,814.85x = 13,656,193.08
  5. Step 5: Solve for x
    x = 13,656,193.08/4,814.85
  6. Step 6: Final answer
    x = 2,836.27

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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.