Home / 4,640.24-6,403.80-2,651.44

Finding the Fourth Proportional to 4,640.24, 6,403.80 and 2,651.44

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Solution

The fourth proportional to 4,640.24, 6,403.80 and 2,651.44 is: 3,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.24 : 6,403.80 = 2,651.44 : x
  2. Step 2: Convert to fraction form
    4,640.24/6,403.80 = 2,651.44/x
  3. Step 3: Cross multiply
    4,640.24x = 6,403.80 × 2,651.44
  4. Step 4: Simplify right side
    4,640.24x = 16,979,291.47
  5. Step 5: Solve for x
    x = 16,979,291.47/4,640.24
  6. Step 6: Final answer
    x = 3,659.14

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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.