Home / 4,253.78-6,380.94-1,332.92

Finding the Fourth Proportional to 4,253.78, 6,380.94 and 1,332.92

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Solution

The fourth proportional to 4,253.78, 6,380.94 and 1,332.92 is: 1,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.78 : 6,380.94 = 1,332.92 : x
  2. Step 2: Convert to fraction form
    4,253.78/6,380.94 = 1,332.92/x
  3. Step 3: Cross multiply
    4,253.78x = 6,380.94 × 1,332.92
  4. Step 4: Simplify right side
    4,253.78x = 8,505,282.54
  5. Step 5: Solve for x
    x = 8,505,282.54/4,253.78
  6. Step 6: Final answer
    x = 1,999.46

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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.