Home / 7,049.28-10,564.32-2,664.38

Finding the Fourth Proportional to 7,049.28, 10,564.32 and 2,664.38

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Solution

The fourth proportional to 7,049.28, 10,564.32 and 2,664.38 is: 3,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.28 : 10,564.32 = 2,664.38 : x
  2. Step 2: Convert to fraction form
    7,049.28/10,564.32 = 2,664.38/x
  3. Step 3: Cross multiply
    7,049.28x = 10,564.32 × 2,664.38
  4. Step 4: Simplify right side
    7,049.28x = 28,147,362.92
  5. Step 5: Solve for x
    x = 28,147,362.92/7,049.28
  6. Step 6: Final answer
    x = 3,992.94

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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.