Home / 9,011.20-13,517.99-2,771.64

Finding the Fourth Proportional to 9,011.20, 13,517.99 and 2,771.64

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Solution

The fourth proportional to 9,011.20, 13,517.99 and 2,771.64 is: 4,157.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.20 : 13,517.99 = 2,771.64 : x
  2. Step 2: Convert to fraction form
    9,011.20/13,517.99 = 2,771.64/x
  3. Step 3: Cross multiply
    9,011.20x = 13,517.99 × 2,771.64
  4. Step 4: Simplify right side
    9,011.20x = 37,467,001.80
  5. Step 5: Solve for x
    x = 37,467,001.80/9,011.20
  6. Step 6: Final answer
    x = 4,157.83

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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.