Home / 5,450.94-8,177.62-1,988.18

Finding the Fourth Proportional to 5,450.94, 8,177.62 and 1,988.18

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Solution

The fourth proportional to 5,450.94, 8,177.62 and 1,988.18 is: 2,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.94 : 8,177.62 = 1,988.18 : x
  2. Step 2: Convert to fraction form
    5,450.94/8,177.62 = 1,988.18/x
  3. Step 3: Cross multiply
    5,450.94x = 8,177.62 × 1,988.18
  4. Step 4: Simplify right side
    5,450.94x = 16,258,580.53
  5. Step 5: Solve for x
    x = 16,258,580.53/5,450.94
  6. Step 6: Final answer
    x = 2,982.71

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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.