Home / 6,418.28-9,634.68-4,311.44

Finding the Fourth Proportional to 6,418.28, 9,634.68 and 4,311.44

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Solution

The fourth proportional to 6,418.28, 9,634.68 and 4,311.44 is: 6,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.28 : 9,634.68 = 4,311.44 : x
  2. Step 2: Convert to fraction form
    6,418.28/9,634.68 = 4,311.44/x
  3. Step 3: Cross multiply
    6,418.28x = 9,634.68 × 4,311.44
  4. Step 4: Simplify right side
    6,418.28x = 41,539,344.74
  5. Step 5: Solve for x
    x = 41,539,344.74/6,418.28
  6. Step 6: Final answer
    x = 6,472.04

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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.