Home / 8,090.55-12,136.50-2,168.28

Finding the Fourth Proportional to 8,090.55, 12,136.50 and 2,168.28

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Solution

The fourth proportional to 8,090.55, 12,136.50 and 2,168.28 is: 3,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.55 : 12,136.50 = 2,168.28 : x
  2. Step 2: Convert to fraction form
    8,090.55/12,136.50 = 2,168.28/x
  3. Step 3: Cross multiply
    8,090.55x = 12,136.50 × 2,168.28
  4. Step 4: Simplify right side
    8,090.55x = 26,315,330.22
  5. Step 5: Solve for x
    x = 26,315,330.22/8,090.55
  6. Step 6: Final answer
    x = 3,252.60

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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.