Home / 5,247.26-7,241.22-2,889.41

Finding the Fourth Proportional to 5,247.26, 7,241.22 and 2,889.41

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Solution

The fourth proportional to 5,247.26, 7,241.22 and 2,889.41 is: 3,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.26 : 7,241.22 = 2,889.41 : x
  2. Step 2: Convert to fraction form
    5,247.26/7,241.22 = 2,889.41/x
  3. Step 3: Cross multiply
    5,247.26x = 7,241.22 × 2,889.41
  4. Step 4: Simplify right side
    5,247.26x = 20,922,817.27
  5. Step 5: Solve for x
    x = 20,922,817.27/5,247.26
  6. Step 6: Final answer
    x = 3,987.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.