Home / 6,471.44-8,930.38-3,638.94

Finding the Fourth Proportional to 6,471.44, 8,930.38 and 3,638.94

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Solution

The fourth proportional to 6,471.44, 8,930.38 and 3,638.94 is: 5,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.44 : 8,930.38 = 3,638.94 : x
  2. Step 2: Convert to fraction form
    6,471.44/8,930.38 = 3,638.94/x
  3. Step 3: Cross multiply
    6,471.44x = 8,930.38 × 3,638.94
  4. Step 4: Simplify right side
    6,471.44x = 32,497,107.90
  5. Step 5: Solve for x
    x = 32,497,107.90/6,471.44
  6. Step 6: Final answer
    x = 5,021.62

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1.5x scale

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.