Home / 8,771.42-13,157.20-2,531.44

Finding the Fourth Proportional to 8,771.42, 13,157.20 and 2,531.44

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Solution

The fourth proportional to 8,771.42, 13,157.20 and 2,531.44 is: 3,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.42 : 13,157.20 = 2,531.44 : x
  2. Step 2: Convert to fraction form
    8,771.42/13,157.20 = 2,531.44/x
  3. Step 3: Cross multiply
    8,771.42x = 13,157.20 × 2,531.44
  4. Step 4: Simplify right side
    8,771.42x = 33,306,662.37
  5. Step 5: Solve for x
    x = 33,306,662.37/8,771.42
  6. Step 6: Final answer
    x = 3,797.18

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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.