Home / 4,921.44-7,388.76-3,076.32

Finding the Fourth Proportional to 4,921.44, 7,388.76 and 3,076.32

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Solution

The fourth proportional to 4,921.44, 7,388.76 and 3,076.32 is: 4,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.44 : 7,388.76 = 3,076.32 : x
  2. Step 2: Convert to fraction form
    4,921.44/7,388.76 = 3,076.32/x
  3. Step 3: Cross multiply
    4,921.44x = 7,388.76 × 3,076.32
  4. Step 4: Simplify right side
    4,921.44x = 22,730,190.16
  5. Step 5: Solve for x
    x = 22,730,190.16/4,921.44
  6. Step 6: Final answer
    x = 4,618.61

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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.