Home / 8,388.36-12,582.30-3,456.60

Finding the Fourth Proportional to 8,388.36, 12,582.30 and 3,456.60

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Solution

The fourth proportional to 8,388.36, 12,582.30 and 3,456.60 is: 5,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.36 : 12,582.30 = 3,456.60 : x
  2. Step 2: Convert to fraction form
    8,388.36/12,582.30 = 3,456.60/x
  3. Step 3: Cross multiply
    8,388.36x = 12,582.30 × 3,456.60
  4. Step 4: Simplify right side
    8,388.36x = 43,491,978.18
  5. Step 5: Solve for x
    x = 43,491,978.18/8,388.36
  6. Step 6: Final answer
    x = 5,184.80

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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.