Home / 7,480.38-11,212.58-3,968.19

Finding the Fourth Proportional to 7,480.38, 11,212.58 and 3,968.19

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Solution

The fourth proportional to 7,480.38, 11,212.58 and 3,968.19 is: 5,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.38 : 11,212.58 = 3,968.19 : x
  2. Step 2: Convert to fraction form
    7,480.38/11,212.58 = 3,968.19/x
  3. Step 3: Cross multiply
    7,480.38x = 11,212.58 × 3,968.19
  4. Step 4: Simplify right side
    7,480.38x = 44,493,627.99
  5. Step 5: Solve for x
    x = 44,493,627.99/7,480.38
  6. Step 6: Final answer
    x = 5,948.04

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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.