Home / 4,441.31-6,662.12-1,321.23

Finding the Fourth Proportional to 4,441.31, 6,662.12 and 1,321.23

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Solution

The fourth proportional to 4,441.31, 6,662.12 and 1,321.23 is: 1,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.31 : 6,662.12 = 1,321.23 : x
  2. Step 2: Convert to fraction form
    4,441.31/6,662.12 = 1,321.23/x
  3. Step 3: Cross multiply
    4,441.31x = 6,662.12 × 1,321.23
  4. Step 4: Simplify right side
    4,441.31x = 8,802,186.20
  5. Step 5: Solve for x
    x = 8,802,186.20/4,441.31
  6. Step 6: Final answer
    x = 1,981.89

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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.