Home / 5,281.58-7,922.34-2,163.03

Finding the Fourth Proportional to 5,281.58, 7,922.34 and 2,163.03

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Solution

The fourth proportional to 5,281.58, 7,922.34 and 2,163.03 is: 3,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.58 : 7,922.34 = 2,163.03 : x
  2. Step 2: Convert to fraction form
    5,281.58/7,922.34 = 2,163.03/x
  3. Step 3: Cross multiply
    5,281.58x = 7,922.34 × 2,163.03
  4. Step 4: Simplify right side
    5,281.58x = 17,136,259.09
  5. Step 5: Solve for x
    x = 17,136,259.09/5,281.58
  6. Step 6: Final answer
    x = 3,244.54

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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.