Home / 5,538.39-8,309.00-1,840.65

Finding the Fourth Proportional to 5,538.39, 8,309.00 and 1,840.65

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Solution

The fourth proportional to 5,538.39, 8,309.00 and 1,840.65 is: 2,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.39 : 8,309.00 = 1,840.65 : x
  2. Step 2: Convert to fraction form
    5,538.39/8,309.00 = 1,840.65/x
  3. Step 3: Cross multiply
    5,538.39x = 8,309.00 × 1,840.65
  4. Step 4: Simplify right side
    5,538.39x = 15,293,951.65
  5. Step 5: Solve for x
    x = 15,293,951.65/5,538.39
  6. Step 6: Final answer
    x = 2,761.44

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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.