Home / 4,258.22-6,390.43-2,179.96

Finding the Fourth Proportional to 4,258.22, 6,390.43 and 2,179.96

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Solution

The fourth proportional to 4,258.22, 6,390.43 and 2,179.96 is: 3,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.22 : 6,390.43 = 2,179.96 : x
  2. Step 2: Convert to fraction form
    4,258.22/6,390.43 = 2,179.96/x
  3. Step 3: Cross multiply
    4,258.22x = 6,390.43 × 2,179.96
  4. Step 4: Simplify right side
    4,258.22x = 13,930,860.36
  5. Step 5: Solve for x
    x = 13,930,860.36/4,258.22
  6. Step 6: Final answer
    x = 3,271.53

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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.