Home / 5,455.44-8,184.36-1,992.60

Finding the Fourth Proportional to 5,455.44, 8,184.36 and 1,992.60

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Solution

The fourth proportional to 5,455.44, 8,184.36 and 1,992.60 is: 2,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.44 : 8,184.36 = 1,992.60 : x
  2. Step 2: Convert to fraction form
    5,455.44/8,184.36 = 1,992.60/x
  3. Step 3: Cross multiply
    5,455.44x = 8,184.36 × 1,992.60
  4. Step 4: Simplify right side
    5,455.44x = 16,308,155.74
  5. Step 5: Solve for x
    x = 16,308,155.74/5,455.44
  6. Step 6: Final answer
    x = 2,989.34

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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.