Home / 4,219.53-6,329.61-1,622.47

Finding the Fourth Proportional to 4,219.53, 6,329.61 and 1,622.47

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Solution

The fourth proportional to 4,219.53, 6,329.61 and 1,622.47 is: 2,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.53 : 6,329.61 = 1,622.47 : x
  2. Step 2: Convert to fraction form
    4,219.53/6,329.61 = 1,622.47/x
  3. Step 3: Cross multiply
    4,219.53x = 6,329.61 × 1,622.47
  4. Step 4: Simplify right side
    4,219.53x = 10,269,594.22
  5. Step 5: Solve for x
    x = 10,269,594.22/4,219.53
  6. Step 6: Final answer
    x = 2,433.82

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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.