Home / 8,664.24-12,992.70-3,326.55

Finding the Fourth Proportional to 8,664.24, 12,992.70 and 3,326.55

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Solution

The fourth proportional to 8,664.24, 12,992.70 and 3,326.55 is: 4,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.24 : 12,992.70 = 3,326.55 : x
  2. Step 2: Convert to fraction form
    8,664.24/12,992.70 = 3,326.55/x
  3. Step 3: Cross multiply
    8,664.24x = 12,992.70 × 3,326.55
  4. Step 4: Simplify right side
    8,664.24x = 43,220,866.19
  5. Step 5: Solve for x
    x = 43,220,866.19/8,664.24
  6. Step 6: Final answer
    x = 4,988.42

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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.