Home / 4,219.08-6,327.40-1,621.41

Finding the Fourth Proportional to 4,219.08, 6,327.40 and 1,621.41

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Solution

The fourth proportional to 4,219.08, 6,327.40 and 1,621.41 is: 2,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.08 : 6,327.40 = 1,621.41 : x
  2. Step 2: Convert to fraction form
    4,219.08/6,327.40 = 1,621.41/x
  3. Step 3: Cross multiply
    4,219.08x = 6,327.40 × 1,621.41
  4. Step 4: Simplify right side
    4,219.08x = 10,259,309.63
  5. Step 5: Solve for x
    x = 10,259,309.63/4,219.08
  6. Step 6: Final answer
    x = 2,431.65

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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.