Home / 4,441.75-6,663.93-1,321.78

Finding the Fourth Proportional to 4,441.75, 6,663.93 and 1,321.78

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Solution

The fourth proportional to 4,441.75, 6,663.93 and 1,321.78 is: 1,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.75 : 6,663.93 = 1,321.78 : x
  2. Step 2: Convert to fraction form
    4,441.75/6,663.93 = 1,321.78/x
  3. Step 3: Cross multiply
    4,441.75x = 6,663.93 × 1,321.78
  4. Step 4: Simplify right side
    4,441.75x = 8,808,249.40
  5. Step 5: Solve for x
    x = 8,808,249.40/4,441.75
  6. Step 6: Final answer
    x = 1,983.06

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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.