Home / 4,315.82-6,474.04-1,394.36

Finding the Fourth Proportional to 4,315.82, 6,474.04 and 1,394.36

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Solution

The fourth proportional to 4,315.82, 6,474.04 and 1,394.36 is: 2,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.82 : 6,474.04 = 1,394.36 : x
  2. Step 2: Convert to fraction form
    4,315.82/6,474.04 = 1,394.36/x
  3. Step 3: Cross multiply
    4,315.82x = 6,474.04 × 1,394.36
  4. Step 4: Simplify right side
    4,315.82x = 9,027,106.56
  5. Step 5: Solve for x
    x = 9,027,106.56/4,315.82
  6. Step 6: Final answer
    x = 2,091.63

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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.