Home / 7,181.21-10,771.73-2,801.74

Finding the Fourth Proportional to 7,181.21, 10,771.73 and 2,801.74

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Solution

The fourth proportional to 7,181.21, 10,771.73 and 2,801.74 is: 4,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.21 : 10,771.73 = 2,801.74 : x
  2. Step 2: Convert to fraction form
    7,181.21/10,771.73 = 2,801.74/x
  3. Step 3: Cross multiply
    7,181.21x = 10,771.73 × 2,801.74
  4. Step 4: Simplify right side
    7,181.21x = 30,179,551.13
  5. Step 5: Solve for x
    x = 30,179,551.13/7,181.21
  6. Step 6: Final answer
    x = 4,202.57

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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.