Home / 5,174.06-7,761.31-1,887.03

Finding the Fourth Proportional to 5,174.06, 7,761.31 and 1,887.03

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Solution

The fourth proportional to 5,174.06, 7,761.31 and 1,887.03 is: 2,830.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.06 : 7,761.31 = 1,887.03 : x
  2. Step 2: Convert to fraction form
    5,174.06/7,761.31 = 1,887.03/x
  3. Step 3: Cross multiply
    5,174.06x = 7,761.31 × 1,887.03
  4. Step 4: Simplify right side
    5,174.06x = 14,645,820.09
  5. Step 5: Solve for x
    x = 14,645,820.09/5,174.06
  6. Step 6: Final answer
    x = 2,830.63

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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.