Home / 4,087.82-6,131.82-1,623.80

Finding the Fourth Proportional to 4,087.82, 6,131.82 and 1,623.80

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Solution

The fourth proportional to 4,087.82, 6,131.82 and 1,623.80 is: 2,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.82 : 6,131.82 = 1,623.80 : x
  2. Step 2: Convert to fraction form
    4,087.82/6,131.82 = 1,623.80/x
  3. Step 3: Cross multiply
    4,087.82x = 6,131.82 × 1,623.80
  4. Step 4: Simplify right side
    4,087.82x = 9,956,849.32
  5. Step 5: Solve for x
    x = 9,956,849.32/4,087.82
  6. Step 6: Final answer
    x = 2,435.74

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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.