Home / 4,419.81-6,621.37-4,162.43

Finding the Fourth Proportional to 4,419.81, 6,621.37 and 4,162.43

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Solution

The fourth proportional to 4,419.81, 6,621.37 and 4,162.43 is: 6,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.81 : 6,621.37 = 4,162.43 : x
  2. Step 2: Convert to fraction form
    4,419.81/6,621.37 = 4,162.43/x
  3. Step 3: Cross multiply
    4,419.81x = 6,621.37 × 4,162.43
  4. Step 4: Simplify right side
    4,419.81x = 27,560,989.13
  5. Step 5: Solve for x
    x = 27,560,989.13/4,419.81
  6. Step 6: Final answer
    x = 6,235.79

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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.