Home / 4,005.43-6,008.13-1,408.37

Finding the Fourth Proportional to 4,005.43, 6,008.13 and 1,408.37

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Solution

The fourth proportional to 4,005.43, 6,008.13 and 1,408.37 is: 2,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.43 : 6,008.13 = 1,408.37 : x
  2. Step 2: Convert to fraction form
    4,005.43/6,008.13 = 1,408.37/x
  3. Step 3: Cross multiply
    4,005.43x = 6,008.13 × 1,408.37
  4. Step 4: Simplify right side
    4,005.43x = 8,461,640.01
  5. Step 5: Solve for x
    x = 8,461,640.01/4,005.43
  6. Step 6: Final answer
    x = 2,112.54

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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.