Home / 8,213.59-12,326.32-3,284.60

Finding the Fourth Proportional to 8,213.59, 12,326.32 and 3,284.60

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Solution

The fourth proportional to 8,213.59, 12,326.32 and 3,284.60 is: 4,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.59 : 12,326.32 = 3,284.60 : x
  2. Step 2: Convert to fraction form
    8,213.59/12,326.32 = 3,284.60/x
  3. Step 3: Cross multiply
    8,213.59x = 12,326.32 × 3,284.60
  4. Step 4: Simplify right side
    8,213.59x = 40,487,030.67
  5. Step 5: Solve for x
    x = 40,487,030.67/8,213.59
  6. Step 6: Final answer
    x = 4,929.28

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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.