Home / 4,945.18-7,415.58-1,481.62

Finding the Fourth Proportional to 4,945.18, 7,415.58 and 1,481.62

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Solution

The fourth proportional to 4,945.18, 7,415.58 and 1,481.62 is: 2,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.18 : 7,415.58 = 1,481.62 : x
  2. Step 2: Convert to fraction form
    4,945.18/7,415.58 = 1,481.62/x
  3. Step 3: Cross multiply
    4,945.18x = 7,415.58 × 1,481.62
  4. Step 4: Simplify right side
    4,945.18x = 10,987,071.64
  5. Step 5: Solve for x
    x = 10,987,071.64/4,945.18
  6. Step 6: Final answer
    x = 2,221.77

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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.