Home / 4,011.78-6,016.88-1,238.02

Finding the Fourth Proportional to 4,011.78, 6,016.88 and 1,238.02

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Solution

The fourth proportional to 4,011.78, 6,016.88 and 1,238.02 is: 1,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.78 : 6,016.88 = 1,238.02 : x
  2. Step 2: Convert to fraction form
    4,011.78/6,016.88 = 1,238.02/x
  3. Step 3: Cross multiply
    4,011.78x = 6,016.88 × 1,238.02
  4. Step 4: Simplify right side
    4,011.78x = 7,449,011.59
  5. Step 5: Solve for x
    x = 7,449,011.59/4,011.78
  6. Step 6: Final answer
    x = 1,856.79

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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.