Home / 4,005.36-6,008.04-1,408.68

Finding the Fourth Proportional to 4,005.36, 6,008.04 and 1,408.68

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Solution

The fourth proportional to 4,005.36, 6,008.04 and 1,408.68 is: 2,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.36 : 6,008.04 = 1,408.68 : x
  2. Step 2: Convert to fraction form
    4,005.36/6,008.04 = 1,408.68/x
  3. Step 3: Cross multiply
    4,005.36x = 6,008.04 × 1,408.68
  4. Step 4: Simplify right side
    4,005.36x = 8,463,405.79
  5. Step 5: Solve for x
    x = 8,463,405.79/4,005.36
  6. Step 6: Final answer
    x = 2,113.02

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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.