Home / 4,989.23-7,481.54-1,477.98

Finding the Fourth Proportional to 4,989.23, 7,481.54 and 1,477.98

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Solution

The fourth proportional to 4,989.23, 7,481.54 and 1,477.98 is: 2,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.23 : 7,481.54 = 1,477.98 : x
  2. Step 2: Convert to fraction form
    4,989.23/7,481.54 = 1,477.98/x
  3. Step 3: Cross multiply
    4,989.23x = 7,481.54 × 1,477.98
  4. Step 4: Simplify right side
    4,989.23x = 11,057,559.10
  5. Step 5: Solve for x
    x = 11,057,559.10/4,989.23
  6. Step 6: Final answer
    x = 2,216.29

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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.