Home / 4,989.23-7,481.54-1,477.97

Finding the Fourth Proportional to 4,989.23, 7,481.54 and 1,477.97

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Solution

The fourth proportional to 4,989.23, 7,481.54 and 1,477.97 is: 2,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.23 : 7,481.54 = 1,477.97 : x
  2. Step 2: Convert to fraction form
    4,989.23/7,481.54 = 1,477.97/x
  3. Step 3: Cross multiply
    4,989.23x = 7,481.54 × 1,477.97
  4. Step 4: Simplify right side
    4,989.23x = 11,057,446.88
  5. Step 5: Solve for x
    x = 11,057,446.88/4,989.23
  6. Step 6: Final answer
    x = 2,216.27

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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.