Home / 4,441.26-6,660.73-1,320.43

Finding the Fourth Proportional to 4,441.26, 6,660.73 and 1,320.43

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Solution

The fourth proportional to 4,441.26, 6,660.73 and 1,320.43 is: 1,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.26 : 6,660.73 = 1,320.43 : x
  2. Step 2: Convert to fraction form
    4,441.26/6,660.73 = 1,320.43/x
  3. Step 3: Cross multiply
    4,441.26x = 6,660.73 × 1,320.43
  4. Step 4: Simplify right side
    4,441.26x = 8,795,006.47
  5. Step 5: Solve for x
    x = 8,795,006.47/4,441.26
  6. Step 6: Final answer
    x = 1,980.29

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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.