Home / 4,812.93-7,221.78-2,182.32

Finding the Fourth Proportional to 4,812.93, 7,221.78 and 2,182.32

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Solution

The fourth proportional to 4,812.93, 7,221.78 and 2,182.32 is: 3,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.93 : 7,221.78 = 2,182.32 : x
  2. Step 2: Convert to fraction form
    4,812.93/7,221.78 = 2,182.32/x
  3. Step 3: Cross multiply
    4,812.93x = 7,221.78 × 2,182.32
  4. Step 4: Simplify right side
    4,812.93x = 15,760,234.93
  5. Step 5: Solve for x
    x = 15,760,234.93/4,812.93
  6. Step 6: Final answer
    x = 3,274.56

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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.