Home / 8,207.88-12,306.87-3,458.37

Finding the Fourth Proportional to 8,207.88, 12,306.87 and 3,458.37

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Solution

The fourth proportional to 8,207.88, 12,306.87 and 3,458.37 is: 5,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.88 : 12,306.87 = 3,458.37 : x
  2. Step 2: Convert to fraction form
    8,207.88/12,306.87 = 3,458.37/x
  3. Step 3: Cross multiply
    8,207.88x = 12,306.87 × 3,458.37
  4. Step 4: Simplify right side
    8,207.88x = 42,561,710.00
  5. Step 5: Solve for x
    x = 42,561,710.00/8,207.88
  6. Step 6: Final answer
    x = 5,185.47

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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.