Home / 5,712.60-7,883.78-3,194.66

Finding the Fourth Proportional to 5,712.60, 7,883.78 and 3,194.66

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Solution

The fourth proportional to 5,712.60, 7,883.78 and 3,194.66 is: 4,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.60 : 7,883.78 = 3,194.66 : x
  2. Step 2: Convert to fraction form
    5,712.60/7,883.78 = 3,194.66/x
  3. Step 3: Cross multiply
    5,712.60x = 7,883.78 × 3,194.66
  4. Step 4: Simplify right side
    5,712.60x = 25,185,996.61
  5. Step 5: Solve for x
    x = 25,185,996.61/5,712.60
  6. Step 6: Final answer
    x = 4,408.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.