Home / 4,441.41-6,659.80-1,321.00

Finding the Fourth Proportional to 4,441.41, 6,659.80 and 1,321.00

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Solution

The fourth proportional to 4,441.41, 6,659.80 and 1,321.00 is: 1,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.41 : 6,659.80 = 1,321.00 : x
  2. Step 2: Convert to fraction form
    4,441.41/6,659.80 = 1,321.00/x
  3. Step 3: Cross multiply
    4,441.41x = 6,659.80 × 1,321.00
  4. Step 4: Simplify right side
    4,441.41x = 8,797,575.85
  5. Step 5: Solve for x
    x = 8,797,575.85/4,441.41
  6. Step 6: Final answer
    x = 1,980.81

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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.