Home / 4,219.73-6,328.30-1,622.03

Finding the Fourth Proportional to 4,219.73, 6,328.30 and 1,622.03

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Solution

The fourth proportional to 4,219.73, 6,328.30 and 1,622.03 is: 2,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.73 : 6,328.30 = 1,622.03 : x
  2. Step 2: Convert to fraction form
    4,219.73/6,328.30 = 1,622.03/x
  3. Step 3: Cross multiply
    4,219.73x = 6,328.30 × 1,622.03
  4. Step 4: Simplify right side
    4,219.73x = 10,264,692.45
  5. Step 5: Solve for x
    x = 10,264,692.45/4,219.73
  6. Step 6: Final answer
    x = 2,432.55

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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.