Home / 8,188.24-12,276.60-4,231.68

Finding the Fourth Proportional to 8,188.24, 12,276.60 and 4,231.68

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Solution

The fourth proportional to 8,188.24, 12,276.60 and 4,231.68 is: 6,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.24 : 12,276.60 = 4,231.68 : x
  2. Step 2: Convert to fraction form
    8,188.24/12,276.60 = 4,231.68/x
  3. Step 3: Cross multiply
    8,188.24x = 12,276.60 × 4,231.68
  4. Step 4: Simplify right side
    8,188.24x = 51,950,642.69
  5. Step 5: Solve for x
    x = 51,950,642.69/8,188.24
  6. Step 6: Final answer
    x = 6,344.54

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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.