Home / 4,215.90-6,318.35-3,049.84

Finding the Fourth Proportional to 4,215.90, 6,318.35 and 3,049.84

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Solution

The fourth proportional to 4,215.90, 6,318.35 and 3,049.84 is: 4,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.90 : 6,318.35 = 3,049.84 : x
  2. Step 2: Convert to fraction form
    4,215.90/6,318.35 = 3,049.84/x
  3. Step 3: Cross multiply
    4,215.90x = 6,318.35 × 3,049.84
  4. Step 4: Simplify right side
    4,215.90x = 19,269,956.56
  5. Step 5: Solve for x
    x = 19,269,956.56/4,215.90
  6. Step 6: Final answer
    x = 4,570.78

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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.