Home / 8,132.96-12,199.44-3,454.40

Finding the Fourth Proportional to 8,132.96, 12,199.44 and 3,454.40

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Solution

The fourth proportional to 8,132.96, 12,199.44 and 3,454.40 is: 5,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.96 : 12,199.44 = 3,454.40 : x
  2. Step 2: Convert to fraction form
    8,132.96/12,199.44 = 3,454.40/x
  3. Step 3: Cross multiply
    8,132.96x = 12,199.44 × 3,454.40
  4. Step 4: Simplify right side
    8,132.96x = 42,141,745.54
  5. Step 5: Solve for x
    x = 42,141,745.54/8,132.96
  6. Step 6: Final answer
    x = 5,181.60

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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.