Home / 7,090.88-10,636.92-1,896.75

Finding the Fourth Proportional to 7,090.88, 10,636.92 and 1,896.75

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Solution

The fourth proportional to 7,090.88, 10,636.92 and 1,896.75 is: 2,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.88 : 10,636.92 = 1,896.75 : x
  2. Step 2: Convert to fraction form
    7,090.88/10,636.92 = 1,896.75/x
  3. Step 3: Cross multiply
    7,090.88x = 10,636.92 × 1,896.75
  4. Step 4: Simplify right side
    7,090.88x = 20,175,578.01
  5. Step 5: Solve for x
    x = 20,175,578.01/7,090.88
  6. Step 6: Final answer
    x = 2,845.29

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1.5x scale

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.