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Finding the Fourth Proportional to 4,873.06, 6,724.42 and 2,883.27

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Solution

The fourth proportional to 4,873.06, 6,724.42 and 2,883.27 is: 3,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,873.06 : 6,724.42 = 2,883.27 : x
  2. Step 2: Convert to fraction form
    4,873.06/6,724.42 = 2,883.27/x
  3. Step 3: Cross multiply
    4,873.06x = 6,724.42 × 2,883.27
  4. Step 4: Simplify right side
    4,873.06x = 19,388,317.55
  5. Step 5: Solve for x
    x = 19,388,317.55/4,873.06
  6. Step 6: Final answer
    x = 3,978.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.