Home / 8,125.16-12,185.22-3,193.46

Finding the Fourth Proportional to 8,125.16, 12,185.22 and 3,193.46

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Solution

The fourth proportional to 8,125.16, 12,185.22 and 3,193.46 is: 4,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.16 : 12,185.22 = 3,193.46 : x
  2. Step 2: Convert to fraction form
    8,125.16/12,185.22 = 3,193.46/x
  3. Step 3: Cross multiply
    8,125.16x = 12,185.22 × 3,193.46
  4. Step 4: Simplify right side
    8,125.16x = 38,913,012.66
  5. Step 5: Solve for x
    x = 38,913,012.66/8,125.16
  6. Step 6: Final answer
    x = 4,789.20

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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.