Home / 5,456.82-8,184.40-1,993.26

Finding the Fourth Proportional to 5,456.82, 8,184.40 and 1,993.26

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Solution

The fourth proportional to 5,456.82, 8,184.40 and 1,993.26 is: 2,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.82 : 8,184.40 = 1,993.26 : x
  2. Step 2: Convert to fraction form
    5,456.82/8,184.40 = 1,993.26/x
  3. Step 3: Cross multiply
    5,456.82x = 8,184.40 × 1,993.26
  4. Step 4: Simplify right side
    5,456.82x = 16,313,637.14
  5. Step 5: Solve for x
    x = 16,313,637.14/5,456.82
  6. Step 6: Final answer
    x = 2,989.59

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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.