Home / 4,181.81-6,271.50-2,728.67

Finding the Fourth Proportional to 4,181.81, 6,271.50 and 2,728.67

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Solution

The fourth proportional to 4,181.81, 6,271.50 and 2,728.67 is: 4,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.81 : 6,271.50 = 2,728.67 : x
  2. Step 2: Convert to fraction form
    4,181.81/6,271.50 = 2,728.67/x
  3. Step 3: Cross multiply
    4,181.81x = 6,271.50 × 2,728.67
  4. Step 4: Simplify right side
    4,181.81x = 17,112,840.26
  5. Step 5: Solve for x
    x = 17,112,840.26/4,181.81
  6. Step 6: Final answer
    x = 4,092.21

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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.