Home / 7,928.47-11,896.40-3,548.89

Finding the Fourth Proportional to 7,928.47, 11,896.40 and 3,548.89

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Solution

The fourth proportional to 7,928.47, 11,896.40 and 3,548.89 is: 5,324.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.47 : 11,896.40 = 3,548.89 : x
  2. Step 2: Convert to fraction form
    7,928.47/11,896.40 = 3,548.89/x
  3. Step 3: Cross multiply
    7,928.47x = 11,896.40 × 3,548.89
  4. Step 4: Simplify right side
    7,928.47x = 42,218,997.25
  5. Step 5: Solve for x
    x = 42,218,997.25/7,928.47
  6. Step 6: Final answer
    x = 5,324.99

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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.