Home / 4,267.11-6,401.76-1,305.48

Finding the Fourth Proportional to 4,267.11, 6,401.76 and 1,305.48

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Solution

The fourth proportional to 4,267.11, 6,401.76 and 1,305.48 is: 1,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.11 : 6,401.76 = 1,305.48 : x
  2. Step 2: Convert to fraction form
    4,267.11/6,401.76 = 1,305.48/x
  3. Step 3: Cross multiply
    4,267.11x = 6,401.76 × 1,305.48
  4. Step 4: Simplify right side
    4,267.11x = 8,357,369.64
  5. Step 5: Solve for x
    x = 8,357,369.64/4,267.11
  6. Step 6: Final answer
    x = 1,958.56

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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.