Home / 4,284.78-6,427.15-1,819.23

Finding the Fourth Proportional to 4,284.78, 6,427.15 and 1,819.23

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Solution

The fourth proportional to 4,284.78, 6,427.15 and 1,819.23 is: 2,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.78 : 6,427.15 = 1,819.23 : x
  2. Step 2: Convert to fraction form
    4,284.78/6,427.15 = 1,819.23/x
  3. Step 3: Cross multiply
    4,284.78x = 6,427.15 × 1,819.23
  4. Step 4: Simplify right side
    4,284.78x = 11,692,464.09
  5. Step 5: Solve for x
    x = 11,692,464.09/4,284.78
  6. Step 6: Final answer
    x = 2,728.84

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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.