Home / 6,446.25-8,896.23-3,651.75

Finding the Fourth Proportional to 6,446.25, 8,896.23 and 3,651.75

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Solution

The fourth proportional to 6,446.25, 8,896.23 and 3,651.75 is: 5,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.25 : 8,896.23 = 3,651.75 : x
  2. Step 2: Convert to fraction form
    6,446.25/8,896.23 = 3,651.75/x
  3. Step 3: Cross multiply
    6,446.25x = 8,896.23 × 3,651.75
  4. Step 4: Simplify right side
    6,446.25x = 32,486,807.90
  5. Step 5: Solve for x
    x = 32,486,807.90/6,446.25
  6. Step 6: Final answer
    x = 5,039.64

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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.