Home / 4,311.02-6,467.44-1,391.36

Finding the Fourth Proportional to 4,311.02, 6,467.44 and 1,391.36

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Solution

The fourth proportional to 4,311.02, 6,467.44 and 1,391.36 is: 2,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.02 : 6,467.44 = 1,391.36 : x
  2. Step 2: Convert to fraction form
    4,311.02/6,467.44 = 1,391.36/x
  3. Step 3: Cross multiply
    4,311.02x = 6,467.44 × 1,391.36
  4. Step 4: Simplify right side
    4,311.02x = 8,998,537.32
  5. Step 5: Solve for x
    x = 8,998,537.32/4,311.02
  6. Step 6: Final answer
    x = 2,087.33

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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.