Home / 5,174.96-7,755.27-1,886.26

Finding the Fourth Proportional to 5,174.96, 7,755.27 and 1,886.26

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Solution

The fourth proportional to 5,174.96, 7,755.27 and 1,886.26 is: 2,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.96 : 7,755.27 = 1,886.26 : x
  2. Step 2: Convert to fraction form
    5,174.96/7,755.27 = 1,886.26/x
  3. Step 3: Cross multiply
    5,174.96x = 7,755.27 × 1,886.26
  4. Step 4: Simplify right side
    5,174.96x = 14,628,455.59
  5. Step 5: Solve for x
    x = 14,628,455.59/5,174.96
  6. Step 6: Final answer
    x = 2,826.78

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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.