Home / 10,425.43-15,634.77-3,027.79

Finding the Fourth Proportional to 10,425.43, 15,634.77 and 3,027.79

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Solution

The fourth proportional to 10,425.43, 15,634.77 and 3,027.79 is: 4,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.43 : 15,634.77 = 3,027.79 : x
  2. Step 2: Convert to fraction form
    10,425.43/15,634.77 = 3,027.79/x
  3. Step 3: Cross multiply
    10,425.43x = 15,634.77 × 3,027.79
  4. Step 4: Simplify right side
    10,425.43x = 47,338,800.26
  5. Step 5: Solve for x
    x = 47,338,800.26/10,425.43
  6. Step 6: Final answer
    x = 4,540.70

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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.