Home / 8,246.29-12,366.86-2,980.61

Finding the Fourth Proportional to 8,246.29, 12,366.86 and 2,980.61

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Solution

The fourth proportional to 8,246.29, 12,366.86 and 2,980.61 is: 4,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.29 : 12,366.86 = 2,980.61 : x
  2. Step 2: Convert to fraction form
    8,246.29/12,366.86 = 2,980.61/x
  3. Step 3: Cross multiply
    8,246.29x = 12,366.86 × 2,980.61
  4. Step 4: Simplify right side
    8,246.29x = 36,860,786.58
  5. Step 5: Solve for x
    x = 36,860,786.58/8,246.29
  6. Step 6: Final answer
    x = 4,469.98

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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.