Home / 10,083.75-15,125.64-3,927.75

Finding the Fourth Proportional to 10,083.75, 15,125.64 and 3,927.75

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Solution

The fourth proportional to 10,083.75, 15,125.64 and 3,927.75 is: 5,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.75 : 15,125.64 = 3,927.75 : x
  2. Step 2: Convert to fraction form
    10,083.75/15,125.64 = 3,927.75/x
  3. Step 3: Cross multiply
    10,083.75x = 15,125.64 × 3,927.75
  4. Step 4: Simplify right side
    10,083.75x = 59,409,732.51
  5. Step 5: Solve for x
    x = 59,409,732.51/10,083.75
  6. Step 6: Final answer
    x = 5,891.63

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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.