Home / 4,214.84-6,313.79-2,100.09

Finding the Fourth Proportional to 4,214.84, 6,313.79 and 2,100.09

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Solution

The fourth proportional to 4,214.84, 6,313.79 and 2,100.09 is: 3,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.84 : 6,313.79 = 2,100.09 : x
  2. Step 2: Convert to fraction form
    4,214.84/6,313.79 = 2,100.09/x
  3. Step 3: Cross multiply
    4,214.84x = 6,313.79 × 2,100.09
  4. Step 4: Simplify right side
    4,214.84x = 13,259,527.24
  5. Step 5: Solve for x
    x = 13,259,527.24/4,214.84
  6. Step 6: Final answer
    x = 3,145.91

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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.