Home / 4,408.31-6,615.66-1,635.38

Finding the Fourth Proportional to 4,408.31, 6,615.66 and 1,635.38

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Solution

The fourth proportional to 4,408.31, 6,615.66 and 1,635.38 is: 2,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.31 : 6,615.66 = 1,635.38 : x
  2. Step 2: Convert to fraction form
    4,408.31/6,615.66 = 1,635.38/x
  3. Step 3: Cross multiply
    4,408.31x = 6,615.66 × 1,635.38
  4. Step 4: Simplify right side
    4,408.31x = 10,819,080.88
  5. Step 5: Solve for x
    x = 10,819,080.88/4,408.31
  6. Step 6: Final answer
    x = 2,454.25

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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.