Home / 5,734.78-7,914.42-3,216.88

Finding the Fourth Proportional to 5,734.78, 7,914.42 and 3,216.88

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Solution

The fourth proportional to 5,734.78, 7,914.42 and 3,216.88 is: 4,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,734.78 : 7,914.42 = 3,216.88 : x
  2. Step 2: Convert to fraction form
    5,734.78/7,914.42 = 3,216.88/x
  3. Step 3: Cross multiply
    5,734.78x = 7,914.42 × 3,216.88
  4. Step 4: Simplify right side
    5,734.78x = 25,459,739.41
  5. Step 5: Solve for x
    x = 25,459,739.41/5,734.78
  6. Step 6: Final answer
    x = 4,439.53

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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.