Home / 4,321.44-6,481.95-1,399.68

Finding the Fourth Proportional to 4,321.44, 6,481.95 and 1,399.68

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Solution

The fourth proportional to 4,321.44, 6,481.95 and 1,399.68 is: 2,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.44 : 6,481.95 = 1,399.68 : x
  2. Step 2: Convert to fraction form
    4,321.44/6,481.95 = 1,399.68/x
  3. Step 3: Cross multiply
    4,321.44x = 6,481.95 × 1,399.68
  4. Step 4: Simplify right side
    4,321.44x = 9,072,655.78
  5. Step 5: Solve for x
    x = 9,072,655.78/4,321.44
  6. Step 6: Final answer
    x = 2,099.45

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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.