Home / 4,090.85-6,136.58-1,169.38

Finding the Fourth Proportional to 4,090.85, 6,136.58 and 1,169.38

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Solution

The fourth proportional to 4,090.85, 6,136.58 and 1,169.38 is: 1,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.85 : 6,136.58 = 1,169.38 : x
  2. Step 2: Convert to fraction form
    4,090.85/6,136.58 = 1,169.38/x
  3. Step 3: Cross multiply
    4,090.85x = 6,136.58 × 1,169.38
  4. Step 4: Simplify right side
    4,090.85x = 7,175,972.73
  5. Step 5: Solve for x
    x = 7,175,972.73/4,090.85
  6. Step 6: Final answer
    x = 1,754.15

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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.