Home / 4,313.12-6,467.96-1,680.27

Finding the Fourth Proportional to 4,313.12, 6,467.96 and 1,680.27

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Solution

The fourth proportional to 4,313.12, 6,467.96 and 1,680.27 is: 2,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.12 : 6,467.96 = 1,680.27 : x
  2. Step 2: Convert to fraction form
    4,313.12/6,467.96 = 1,680.27/x
  3. Step 3: Cross multiply
    4,313.12x = 6,467.96 × 1,680.27
  4. Step 4: Simplify right side
    4,313.12x = 10,867,892.79
  5. Step 5: Solve for x
    x = 10,867,892.79/4,313.12
  6. Step 6: Final answer
    x = 2,519.73

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1.5x scale

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.