Home / 8,090.82-12,125.97-3,643.74

Finding the Fourth Proportional to 8,090.82, 12,125.97 and 3,643.74

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Solution

The fourth proportional to 8,090.82, 12,125.97 and 3,643.74 is: 5,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.82 : 12,125.97 = 3,643.74 : x
  2. Step 2: Convert to fraction form
    8,090.82/12,125.97 = 3,643.74/x
  3. Step 3: Cross multiply
    8,090.82x = 12,125.97 × 3,643.74
  4. Step 4: Simplify right side
    8,090.82x = 44,183,881.93
  5. Step 5: Solve for x
    x = 44,183,881.93/8,090.82
  6. Step 6: Final answer
    x = 5,460.99

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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.