Home / 7,235.52-10,828.80-3,939.84

Finding the Fourth Proportional to 7,235.52, 10,828.80 and 3,939.84

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Solution

The fourth proportional to 7,235.52, 10,828.80 and 3,939.84 is: 5,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.52 : 10,828.80 = 3,939.84 : x
  2. Step 2: Convert to fraction form
    7,235.52/10,828.80 = 3,939.84/x
  3. Step 3: Cross multiply
    7,235.52x = 10,828.80 × 3,939.84
  4. Step 4: Simplify right side
    7,235.52x = 42,663,739.39
  5. Step 5: Solve for x
    x = 42,663,739.39/7,235.52
  6. Step 6: Final answer
    x = 5,896.43

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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.