Home / 4,005.83-6,009.11-1,408.79

Finding the Fourth Proportional to 4,005.83, 6,009.11 and 1,408.79

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Solution

The fourth proportional to 4,005.83, 6,009.11 and 1,408.79 is: 2,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.83 : 6,009.11 = 1,408.79 : x
  2. Step 2: Convert to fraction form
    4,005.83/6,009.11 = 1,408.79/x
  3. Step 3: Cross multiply
    4,005.83x = 6,009.11 × 1,408.79
  4. Step 4: Simplify right side
    4,005.83x = 8,465,536.99
  5. Step 5: Solve for x
    x = 8,465,536.99/4,005.83
  6. Step 6: Final answer
    x = 2,113.31

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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.