Home / 4,856.06-7,291.38-2,778.41

Finding the Fourth Proportional to 4,856.06, 7,291.38 and 2,778.41

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Solution

The fourth proportional to 4,856.06, 7,291.38 and 2,778.41 is: 4,171.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.06 : 7,291.38 = 2,778.41 : x
  2. Step 2: Convert to fraction form
    4,856.06/7,291.38 = 2,778.41/x
  3. Step 3: Cross multiply
    4,856.06x = 7,291.38 × 2,778.41
  4. Step 4: Simplify right side
    4,856.06x = 20,258,443.11
  5. Step 5: Solve for x
    x = 20,258,443.11/4,856.06
  6. Step 6: Final answer
    x = 4,171.79

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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.