Home / 4,640.41-6,403.44-2,651.68

Finding the Fourth Proportional to 4,640.41, 6,403.44 and 2,651.68

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Solution

The fourth proportional to 4,640.41, 6,403.44 and 2,651.68 is: 3,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.41 : 6,403.44 = 2,651.68 : x
  2. Step 2: Convert to fraction form
    4,640.41/6,403.44 = 2,651.68/x
  3. Step 3: Cross multiply
    4,640.41x = 6,403.44 × 2,651.68
  4. Step 4: Simplify right side
    4,640.41x = 16,979,873.78
  5. Step 5: Solve for x
    x = 16,979,873.78/4,640.41
  6. Step 6: Final answer
    x = 3,659.13

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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.