Home / 8,185.18-12,275.91-3,255.91

Finding the Fourth Proportional to 8,185.18, 12,275.91 and 3,255.91

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Solution

The fourth proportional to 8,185.18, 12,275.91 and 3,255.91 is: 4,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.18 : 12,275.91 = 3,255.91 : x
  2. Step 2: Convert to fraction form
    8,185.18/12,275.91 = 3,255.91/x
  3. Step 3: Cross multiply
    8,185.18x = 12,275.91 × 3,255.91
  4. Step 4: Simplify right side
    8,185.18x = 39,969,258.13
  5. Step 5: Solve for x
    x = 39,969,258.13/8,185.18
  6. Step 6: Final answer
    x = 4,883.13

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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.