Home / 5,284.24-7,918.80-2,683.60

Finding the Fourth Proportional to 5,284.24, 7,918.80 and 2,683.60

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Solution

The fourth proportional to 5,284.24, 7,918.80 and 2,683.60 is: 4,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.24 : 7,918.80 = 2,683.60 : x
  2. Step 2: Convert to fraction form
    5,284.24/7,918.80 = 2,683.60/x
  3. Step 3: Cross multiply
    5,284.24x = 7,918.80 × 2,683.60
  4. Step 4: Simplify right side
    5,284.24x = 21,250,891.68
  5. Step 5: Solve for x
    x = 21,250,891.68/5,284.24
  6. Step 6: Final answer
    x = 4,021.56

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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.