Home / 5,629.35-8,440.52-2,119.22

Finding the Fourth Proportional to 5,629.35, 8,440.52 and 2,119.22

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Solution

The fourth proportional to 5,629.35, 8,440.52 and 2,119.22 is: 3,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.35 : 8,440.52 = 2,119.22 : x
  2. Step 2: Convert to fraction form
    5,629.35/8,440.52 = 2,119.22/x
  3. Step 3: Cross multiply
    5,629.35x = 8,440.52 × 2,119.22
  4. Step 4: Simplify right side
    5,629.35x = 17,887,309.57
  5. Step 5: Solve for x
    x = 17,887,309.57/5,629.35
  6. Step 6: Final answer
    x = 3,177.51

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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.