Home / 4,981.12-6,873.76-3,213.12

Finding the Fourth Proportional to 4,981.12, 6,873.76 and 3,213.12

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Solution

The fourth proportional to 4,981.12, 6,873.76 and 3,213.12 is: 4,433.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.12 : 6,873.76 = 3,213.12 : x
  2. Step 2: Convert to fraction form
    4,981.12/6,873.76 = 3,213.12/x
  3. Step 3: Cross multiply
    4,981.12x = 6,873.76 × 3,213.12
  4. Step 4: Simplify right side
    4,981.12x = 22,086,215.73
  5. Step 5: Solve for x
    x = 22,086,215.73/4,981.12
  6. Step 6: Final answer
    x = 4,433.99

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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.