Home / 8,280.62-12,422.04-3,014.94

Finding the Fourth Proportional to 8,280.62, 12,422.04 and 3,014.94

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Solution

The fourth proportional to 8,280.62, 12,422.04 and 3,014.94 is: 4,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.62 : 12,422.04 = 3,014.94 : x
  2. Step 2: Convert to fraction form
    8,280.62/12,422.04 = 3,014.94/x
  3. Step 3: Cross multiply
    8,280.62x = 12,422.04 × 3,014.94
  4. Step 4: Simplify right side
    8,280.62x = 37,451,705.28
  5. Step 5: Solve for x
    x = 37,451,705.28/8,280.62
  6. Step 6: Final answer
    x = 4,522.81

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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.