Home / 8,234.49-12,352.75-2,686.35

Finding the Fourth Proportional to 8,234.49, 12,352.75 and 2,686.35

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Solution

The fourth proportional to 8,234.49, 12,352.75 and 2,686.35 is: 4,029.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.49 : 12,352.75 = 2,686.35 : x
  2. Step 2: Convert to fraction form
    8,234.49/12,352.75 = 2,686.35/x
  3. Step 3: Cross multiply
    8,234.49x = 12,352.75 × 2,686.35
  4. Step 4: Simplify right side
    8,234.49x = 33,183,809.96
  5. Step 5: Solve for x
    x = 33,183,809.96/8,234.49
  6. Step 6: Final answer
    x = 4,029.86

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1.5x scale

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.