Home / 8,090.25-12,136.58-4,143.74

Finding the Fourth Proportional to 8,090.25, 12,136.58 and 4,143.74

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Solution

The fourth proportional to 8,090.25, 12,136.58 and 4,143.74 is: 6,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.25 : 12,136.58 = 4,143.74 : x
  2. Step 2: Convert to fraction form
    8,090.25/12,136.58 = 4,143.74/x
  3. Step 3: Cross multiply
    8,090.25x = 12,136.58 × 4,143.74
  4. Step 4: Simplify right side
    8,090.25x = 50,290,882.70
  5. Step 5: Solve for x
    x = 50,290,882.70/8,090.25
  6. Step 6: Final answer
    x = 6,216.23

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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.