Home / 9,074.20-13,611.30-3,880.60

Finding the Fourth Proportional to 9,074.20, 13,611.30 and 3,880.60

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Solution

The fourth proportional to 9,074.20, 13,611.30 and 3,880.60 is: 5,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.20 : 13,611.30 = 3,880.60 : x
  2. Step 2: Convert to fraction form
    9,074.20/13,611.30 = 3,880.60/x
  3. Step 3: Cross multiply
    9,074.20x = 13,611.30 × 3,880.60
  4. Step 4: Simplify right side
    9,074.20x = 52,820,010.78
  5. Step 5: Solve for x
    x = 52,820,010.78/9,074.20
  6. Step 6: Final answer
    x = 5,820.90

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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.