Home / 5,485.82-8,218.04-3,631.41

Finding the Fourth Proportional to 5,485.82, 8,218.04 and 3,631.41

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Solution

The fourth proportional to 5,485.82, 8,218.04 and 3,631.41 is: 5,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.82 : 8,218.04 = 3,631.41 : x
  2. Step 2: Convert to fraction form
    5,485.82/8,218.04 = 3,631.41/x
  3. Step 3: Cross multiply
    5,485.82x = 8,218.04 × 3,631.41
  4. Step 4: Simplify right side
    5,485.82x = 29,843,054.48
  5. Step 5: Solve for x
    x = 29,843,054.48/5,485.82
  6. Step 6: Final answer
    x = 5,440.04

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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.