Home / 4,218.54-6,327.81-1,622.09

Finding the Fourth Proportional to 4,218.54, 6,327.81 and 1,622.09

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Solution

The fourth proportional to 4,218.54, 6,327.81 and 1,622.09 is: 2,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.54 : 6,327.81 = 1,622.09 : x
  2. Step 2: Convert to fraction form
    4,218.54/6,327.81 = 1,622.09/x
  3. Step 3: Cross multiply
    4,218.54x = 6,327.81 × 1,622.09
  4. Step 4: Simplify right side
    4,218.54x = 10,264,245.68
  5. Step 5: Solve for x
    x = 10,264,245.68/4,218.54
  6. Step 6: Final answer
    x = 2,433.13

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1.5x scale

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.