Home / 8,117.33-12,185.10-6,276.60

Finding the Fourth Proportional to 8,117.33, 12,185.10 and 6,276.60

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Solution

The fourth proportional to 8,117.33, 12,185.10 and 6,276.60 is: 9,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.33 : 12,185.10 = 6,276.60 : x
  2. Step 2: Convert to fraction form
    8,117.33/12,185.10 = 6,276.60/x
  3. Step 3: Cross multiply
    8,117.33x = 12,185.10 × 6,276.60
  4. Step 4: Simplify right side
    8,117.33x = 76,480,998.66
  5. Step 5: Solve for x
    x = 76,480,998.66/8,117.33
  6. Step 6: Final answer
    x = 9,421.95

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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.