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Finding the Fourth Proportional to 5,231.56, 7,219.14 and 2,873.83

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Solution

The fourth proportional to 5,231.56, 7,219.14 and 2,873.83 is: 3,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.56 : 7,219.14 = 2,873.83 : x
  2. Step 2: Convert to fraction form
    5,231.56/7,219.14 = 2,873.83/x
  3. Step 3: Cross multiply
    5,231.56x = 7,219.14 × 2,873.83
  4. Step 4: Simplify right side
    5,231.56x = 20,746,581.11
  5. Step 5: Solve for x
    x = 20,746,581.11/5,231.56
  6. Step 6: Final answer
    x = 3,965.66

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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.