Home / 4,405.78-6,608.94-1,443.07

Finding the Fourth Proportional to 4,405.78, 6,608.94 and 1,443.07

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Solution

The fourth proportional to 4,405.78, 6,608.94 and 1,443.07 is: 2,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.78 : 6,608.94 = 1,443.07 : x
  2. Step 2: Convert to fraction form
    4,405.78/6,608.94 = 1,443.07/x
  3. Step 3: Cross multiply
    4,405.78x = 6,608.94 × 1,443.07
  4. Step 4: Simplify right side
    4,405.78x = 9,537,163.05
  5. Step 5: Solve for x
    x = 9,537,163.05/4,405.78
  6. Step 6: Final answer
    x = 2,164.69

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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.