Home / 5,453.19-8,163.99-4,072.68

Finding the Fourth Proportional to 5,453.19, 8,163.99 and 4,072.68

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Solution

The fourth proportional to 5,453.19, 8,163.99 and 4,072.68 is: 6,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.19 : 8,163.99 = 4,072.68 : x
  2. Step 2: Convert to fraction form
    5,453.19/8,163.99 = 4,072.68/x
  3. Step 3: Cross multiply
    5,453.19x = 8,163.99 × 4,072.68
  4. Step 4: Simplify right side
    5,453.19x = 33,249,318.79
  5. Step 5: Solve for x
    x = 33,249,318.79/5,453.19
  6. Step 6: Final answer
    x = 6,097.22

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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.