Home / 4,222.26-6,328.71-1,755.78

Finding the Fourth Proportional to 4,222.26, 6,328.71 and 1,755.78

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Solution

The fourth proportional to 4,222.26, 6,328.71 and 1,755.78 is: 2,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.26 : 6,328.71 = 1,755.78 : x
  2. Step 2: Convert to fraction form
    4,222.26/6,328.71 = 1,755.78/x
  3. Step 3: Cross multiply
    4,222.26x = 6,328.71 × 1,755.78
  4. Step 4: Simplify right side
    4,222.26x = 11,111,822.44
  5. Step 5: Solve for x
    x = 11,111,822.44/4,222.26
  6. Step 6: Final answer
    x = 2,631.72

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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.