Home / 5,262.72-7,896.24-3,182.64

Finding the Fourth Proportional to 5,262.72, 7,896.24 and 3,182.64

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Solution

The fourth proportional to 5,262.72, 7,896.24 and 3,182.64 is: 4,775.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.72 : 7,896.24 = 3,182.64 : x
  2. Step 2: Convert to fraction form
    5,262.72/7,896.24 = 3,182.64/x
  3. Step 3: Cross multiply
    5,262.72x = 7,896.24 × 3,182.64
  4. Step 4: Simplify right side
    5,262.72x = 25,130,889.27
  5. Step 5: Solve for x
    x = 25,130,889.27/5,262.72
  6. Step 6: Final answer
    x = 4,775.27

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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.