Home / 4,253.86-6,380.79-1,947.94

Finding the Fourth Proportional to 4,253.86, 6,380.79 and 1,947.94

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Solution

The fourth proportional to 4,253.86, 6,380.79 and 1,947.94 is: 2,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.86 : 6,380.79 = 1,947.94 : x
  2. Step 2: Convert to fraction form
    4,253.86/6,380.79 = 1,947.94/x
  3. Step 3: Cross multiply
    4,253.86x = 6,380.79 × 1,947.94
  4. Step 4: Simplify right side
    4,253.86x = 12,429,396.07
  5. Step 5: Solve for x
    x = 12,429,396.07/4,253.86
  6. Step 6: Final answer
    x = 2,921.91

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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.