Home / 7,428.96-11,141.28-2,236.32

Finding the Fourth Proportional to 7,428.96, 11,141.28 and 2,236.32

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Solution

The fourth proportional to 7,428.96, 11,141.28 and 2,236.32 is: 3,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.96 : 11,141.28 = 2,236.32 : x
  2. Step 2: Convert to fraction form
    7,428.96/11,141.28 = 2,236.32/x
  3. Step 3: Cross multiply
    7,428.96x = 11,141.28 × 2,236.32
  4. Step 4: Simplify right side
    7,428.96x = 24,915,467.29
  5. Step 5: Solve for x
    x = 24,915,467.29/7,428.96
  6. Step 6: Final answer
    x = 3,353.83

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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.