Home / 7,427.44-11,138.28-2,746.72

Finding the Fourth Proportional to 7,427.44, 11,138.28 and 2,746.72

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Solution

The fourth proportional to 7,427.44, 11,138.28 and 2,746.72 is: 4,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.44 : 11,138.28 = 2,746.72 : x
  2. Step 2: Convert to fraction form
    7,427.44/11,138.28 = 2,746.72/x
  3. Step 3: Cross multiply
    7,427.44x = 11,138.28 × 2,746.72
  4. Step 4: Simplify right side
    7,427.44x = 30,593,736.44
  5. Step 5: Solve for x
    x = 30,593,736.44/7,427.44
  6. Step 6: Final answer
    x = 4,119.01

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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.