Home / 4,090.92-6,136.38-1,782.42

Finding the Fourth Proportional to 4,090.92, 6,136.38 and 1,782.42

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Solution

The fourth proportional to 4,090.92, 6,136.38 and 1,782.42 is: 2,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.92 : 6,136.38 = 1,782.42 : x
  2. Step 2: Convert to fraction form
    4,090.92/6,136.38 = 1,782.42/x
  3. Step 3: Cross multiply
    4,090.92x = 6,136.38 × 1,782.42
  4. Step 4: Simplify right side
    4,090.92x = 10,937,606.44
  5. Step 5: Solve for x
    x = 10,937,606.44/4,090.92
  6. Step 6: Final answer
    x = 2,673.63

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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.