Home / 7,427.68-11,133.60-2,492.80

Finding the Fourth Proportional to 7,427.68, 11,133.60 and 2,492.80

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Solution

The fourth proportional to 7,427.68, 11,133.60 and 2,492.80 is: 3,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.68 : 11,133.60 = 2,492.80 : x
  2. Step 2: Convert to fraction form
    7,427.68/11,133.60 = 2,492.80/x
  3. Step 3: Cross multiply
    7,427.68x = 11,133.60 × 2,492.80
  4. Step 4: Simplify right side
    7,427.68x = 27,753,838.08
  5. Step 5: Solve for x
    x = 27,753,838.08/7,427.68
  6. Step 6: Final answer
    x = 3,736.54

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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.