Home / 4,845.96-6,687.54-2,721.60

Finding the Fourth Proportional to 4,845.96, 6,687.54 and 2,721.60

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Solution

The fourth proportional to 4,845.96, 6,687.54 and 2,721.60 is: 3,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.96 : 6,687.54 = 2,721.60 : x
  2. Step 2: Convert to fraction form
    4,845.96/6,687.54 = 2,721.60/x
  3. Step 3: Cross multiply
    4,845.96x = 6,687.54 × 2,721.60
  4. Step 4: Simplify right side
    4,845.96x = 18,200,808.86
  5. Step 5: Solve for x
    x = 18,200,808.86/4,845.96
  6. Step 6: Final answer
    x = 3,755.87

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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.