Home / 10,628.51-15,942.96-2,837.25

Finding the Fourth Proportional to 10,628.51, 15,942.96 and 2,837.25

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Solution

The fourth proportional to 10,628.51, 15,942.96 and 2,837.25 is: 4,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.51 : 15,942.96 = 2,837.25 : x
  2. Step 2: Convert to fraction form
    10,628.51/15,942.96 = 2,837.25/x
  3. Step 3: Cross multiply
    10,628.51x = 15,942.96 × 2,837.25
  4. Step 4: Simplify right side
    10,628.51x = 45,234,163.26
  5. Step 5: Solve for x
    x = 45,234,163.26/10,628.51
  6. Step 6: Final answer
    x = 4,255.93

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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.