Home / 4,774.56-7,162.19-1,998.44

Finding the Fourth Proportional to 4,774.56, 7,162.19 and 1,998.44

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Solution

The fourth proportional to 4,774.56, 7,162.19 and 1,998.44 is: 2,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.56 : 7,162.19 = 1,998.44 : x
  2. Step 2: Convert to fraction form
    4,774.56/7,162.19 = 1,998.44/x
  3. Step 3: Cross multiply
    4,774.56x = 7,162.19 × 1,998.44
  4. Step 4: Simplify right side
    4,774.56x = 14,313,161.18
  5. Step 5: Solve for x
    x = 14,313,161.18/4,774.56
  6. Step 6: Final answer
    x = 2,997.80

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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.