Home / 4,011.34-6,012.78-1,378.03

Finding the Fourth Proportional to 4,011.34, 6,012.78 and 1,378.03

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Solution

The fourth proportional to 4,011.34, 6,012.78 and 1,378.03 is: 2,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.34 : 6,012.78 = 1,378.03 : x
  2. Step 2: Convert to fraction form
    4,011.34/6,012.78 = 1,378.03/x
  3. Step 3: Cross multiply
    4,011.34x = 6,012.78 × 1,378.03
  4. Step 4: Simplify right side
    4,011.34x = 8,285,791.22
  5. Step 5: Solve for x
    x = 8,285,791.22/4,011.34
  6. Step 6: Final answer
    x = 2,065.59

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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.