Home / 4,284.97-6,428.84-1,363.30

Finding the Fourth Proportional to 4,284.97, 6,428.84 and 1,363.30

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Solution

The fourth proportional to 4,284.97, 6,428.84 and 1,363.30 is: 2,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.97 : 6,428.84 = 1,363.30 : x
  2. Step 2: Convert to fraction form
    4,284.97/6,428.84 = 1,363.30/x
  3. Step 3: Cross multiply
    4,284.97x = 6,428.84 × 1,363.30
  4. Step 4: Simplify right side
    4,284.97x = 8,764,414.68
  5. Step 5: Solve for x
    x = 8,764,414.68/4,284.97
  6. Step 6: Final answer
    x = 2,045.39

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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.