Home / 4,819.58-7,231.16-1,899.92

Finding the Fourth Proportional to 4,819.58, 7,231.16 and 1,899.92

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Solution

The fourth proportional to 4,819.58, 7,231.16 and 1,899.92 is: 2,850.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.58 : 7,231.16 = 1,899.92 : x
  2. Step 2: Convert to fraction form
    4,819.58/7,231.16 = 1,899.92/x
  3. Step 3: Cross multiply
    4,819.58x = 7,231.16 × 1,899.92
  4. Step 4: Simplify right side
    4,819.58x = 13,738,594.10
  5. Step 5: Solve for x
    x = 13,738,594.10/4,819.58
  6. Step 6: Final answer
    x = 2,850.58

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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.