Home / 4,639.78-6,958.80-1,352.09

Finding the Fourth Proportional to 4,639.78, 6,958.80 and 1,352.09

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Solution

The fourth proportional to 4,639.78, 6,958.80 and 1,352.09 is: 2,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.78 : 6,958.80 = 1,352.09 : x
  2. Step 2: Convert to fraction form
    4,639.78/6,958.80 = 1,352.09/x
  3. Step 3: Cross multiply
    4,639.78x = 6,958.80 × 1,352.09
  4. Step 4: Simplify right side
    4,639.78x = 9,408,923.89
  5. Step 5: Solve for x
    x = 9,408,923.89/4,639.78
  6. Step 6: Final answer
    x = 2,027.88

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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.