Home / 7,427.25-11,138.30-2,160.84

Finding the Fourth Proportional to 7,427.25, 11,138.30 and 2,160.84

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Solution

The fourth proportional to 7,427.25, 11,138.30 and 2,160.84 is: 3,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.25 : 11,138.30 = 2,160.84 : x
  2. Step 2: Convert to fraction form
    7,427.25/11,138.30 = 2,160.84/x
  3. Step 3: Cross multiply
    7,427.25x = 11,138.30 × 2,160.84
  4. Step 4: Simplify right side
    7,427.25x = 24,068,073.37
  5. Step 5: Solve for x
    x = 24,068,073.37/7,427.25
  6. Step 6: Final answer
    x = 3,240.51

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1.5x scale

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.