Home / 4,003.37-6,003.36-1,405.70

Finding the Fourth Proportional to 4,003.37, 6,003.36 and 1,405.70

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Solution

The fourth proportional to 4,003.37, 6,003.36 and 1,405.70 is: 2,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.37 : 6,003.36 = 1,405.70 : x
  2. Step 2: Convert to fraction form
    4,003.37/6,003.36 = 1,405.70/x
  3. Step 3: Cross multiply
    4,003.37x = 6,003.36 × 1,405.70
  4. Step 4: Simplify right side
    4,003.37x = 8,438,893.14
  5. Step 5: Solve for x
    x = 8,438,893.14/4,003.37
  6. Step 6: Final answer
    x = 2,107.95

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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.