Home / 7,079.57-10,619.37-2,149.25

Finding the Fourth Proportional to 7,079.57, 10,619.37 and 2,149.25

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Solution

The fourth proportional to 7,079.57, 10,619.37 and 2,149.25 is: 3,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.57 : 10,619.37 = 2,149.25 : x
  2. Step 2: Convert to fraction form
    7,079.57/10,619.37 = 2,149.25/x
  3. Step 3: Cross multiply
    7,079.57x = 10,619.37 × 2,149.25
  4. Step 4: Simplify right side
    7,079.57x = 22,823,627.88
  5. Step 5: Solve for x
    x = 22,823,627.88/7,079.57
  6. Step 6: Final answer
    x = 3,223.87

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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.