Home / 5,174.97-7,760.57-1,887.09

Finding the Fourth Proportional to 5,174.97, 7,760.57 and 1,887.09

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Solution

The fourth proportional to 5,174.97, 7,760.57 and 1,887.09 is: 2,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.97 : 7,760.57 = 1,887.09 : x
  2. Step 2: Convert to fraction form
    5,174.97/7,760.57 = 1,887.09/x
  3. Step 3: Cross multiply
    5,174.97x = 7,760.57 × 1,887.09
  4. Step 4: Simplify right side
    5,174.97x = 14,644,884.61
  5. Step 5: Solve for x
    x = 14,644,884.61/5,174.97
  6. Step 6: Final answer
    x = 2,829.95

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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.