Home / 8,325.20-12,486.42-2,480.44

Finding the Fourth Proportional to 8,325.20, 12,486.42 and 2,480.44

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Solution

The fourth proportional to 8,325.20, 12,486.42 and 2,480.44 is: 3,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.20 : 12,486.42 = 2,480.44 : x
  2. Step 2: Convert to fraction form
    8,325.20/12,486.42 = 2,480.44/x
  3. Step 3: Cross multiply
    8,325.20x = 12,486.42 × 2,480.44
  4. Step 4: Simplify right side
    8,325.20x = 30,971,815.62
  5. Step 5: Solve for x
    x = 30,971,815.62/8,325.20
  6. Step 6: Final answer
    x = 3,720.25

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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.