Home / 4,809.38-7,214.95-2,212.25

Finding the Fourth Proportional to 4,809.38, 7,214.95 and 2,212.25

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Solution

The fourth proportional to 4,809.38, 7,214.95 and 2,212.25 is: 3,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.38 : 7,214.95 = 2,212.25 : x
  2. Step 2: Convert to fraction form
    4,809.38/7,214.95 = 2,212.25/x
  3. Step 3: Cross multiply
    4,809.38x = 7,214.95 × 2,212.25
  4. Step 4: Simplify right side
    4,809.38x = 15,961,273.14
  5. Step 5: Solve for x
    x = 15,961,273.14/4,809.38
  6. Step 6: Final answer
    x = 3,318.78

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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.