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Finding the Fourth Proportional to 5,230.92, 7,218.70 and 2,873.08

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Solution

The fourth proportional to 5,230.92, 7,218.70 and 2,873.08 is: 3,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.92 : 7,218.70 = 2,873.08 : x
  2. Step 2: Convert to fraction form
    5,230.92/7,218.70 = 2,873.08/x
  3. Step 3: Cross multiply
    5,230.92x = 7,218.70 × 2,873.08
  4. Step 4: Simplify right side
    5,230.92x = 20,739,902.60
  5. Step 5: Solve for x
    x = 20,739,902.60/5,230.92
  6. Step 6: Final answer
    x = 3,964.87

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