Home / 4,272.94-6,404.46-1,806.94

Finding the Fourth Proportional to 4,272.94, 6,404.46 and 1,806.94

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Solution

The fourth proportional to 4,272.94, 6,404.46 and 1,806.94 is: 2,708.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.94 : 6,404.46 = 1,806.94 : x
  2. Step 2: Convert to fraction form
    4,272.94/6,404.46 = 1,806.94/x
  3. Step 3: Cross multiply
    4,272.94x = 6,404.46 × 1,806.94
  4. Step 4: Simplify right side
    4,272.94x = 11,572,474.95
  5. Step 5: Solve for x
    x = 11,572,474.95/4,272.94
  6. Step 6: Final answer
    x = 2,708.32

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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.