Home / 4,618.13-6,372.78-2,628.68

Finding the Fourth Proportional to 4,618.13, 6,372.78 and 2,628.68

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Solution

The fourth proportional to 4,618.13, 6,372.78 and 2,628.68 is: 3,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.13 : 6,372.78 = 2,628.68 : x
  2. Step 2: Convert to fraction form
    4,618.13/6,372.78 = 2,628.68/x
  3. Step 3: Cross multiply
    4,618.13x = 6,372.78 × 2,628.68
  4. Step 4: Simplify right side
    4,618.13x = 16,751,999.33
  5. Step 5: Solve for x
    x = 16,751,999.33/4,618.13
  6. Step 6: Final answer
    x = 3,627.44

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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.