Home / 4,267.78-6,401.70-1,346.38

Finding the Fourth Proportional to 4,267.78, 6,401.70 and 1,346.38

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Solution

The fourth proportional to 4,267.78, 6,401.70 and 1,346.38 is: 2,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.78 : 6,401.70 = 1,346.38 : x
  2. Step 2: Convert to fraction form
    4,267.78/6,401.70 = 1,346.38/x
  3. Step 3: Cross multiply
    4,267.78x = 6,401.70 × 1,346.38
  4. Step 4: Simplify right side
    4,267.78x = 8,619,120.85
  5. Step 5: Solve for x
    x = 8,619,120.85/4,267.78
  6. Step 6: Final answer
    x = 2,019.58

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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.