Home / 4,662.20-6,434.93-2,672.72

Finding the Fourth Proportional to 4,662.20, 6,434.93 and 2,672.72

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Solution

The fourth proportional to 4,662.20, 6,434.93 and 2,672.72 is: 3,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.20 : 6,434.93 = 2,672.72 : x
  2. Step 2: Convert to fraction form
    4,662.20/6,434.93 = 2,672.72/x
  3. Step 3: Cross multiply
    4,662.20x = 6,434.93 × 2,672.72
  4. Step 4: Simplify right side
    4,662.20x = 17,198,720.57
  5. Step 5: Solve for x
    x = 17,198,720.57/4,662.20
  6. Step 6: Final answer
    x = 3,688.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.