Home / 5,382.18-7,427.34-3,286.31

Finding the Fourth Proportional to 5,382.18, 7,427.34 and 3,286.31

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Solution

The fourth proportional to 5,382.18, 7,427.34 and 3,286.31 is: 4,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.18 : 7,427.34 = 3,286.31 : x
  2. Step 2: Convert to fraction form
    5,382.18/7,427.34 = 3,286.31/x
  3. Step 3: Cross multiply
    5,382.18x = 7,427.34 × 3,286.31
  4. Step 4: Simplify right side
    5,382.18x = 24,408,504.58
  5. Step 5: Solve for x
    x = 24,408,504.58/5,382.18
  6. Step 6: Final answer
    x = 4,535.06

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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.