Home / 8,234.88-12,352.31-2,391.54

Finding the Fourth Proportional to 8,234.88, 12,352.31 and 2,391.54

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Solution

The fourth proportional to 8,234.88, 12,352.31 and 2,391.54 is: 3,587.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.88 : 12,352.31 = 2,391.54 : x
  2. Step 2: Convert to fraction form
    8,234.88/12,352.31 = 2,391.54/x
  3. Step 3: Cross multiply
    8,234.88x = 12,352.31 × 2,391.54
  4. Step 4: Simplify right side
    8,234.88x = 29,541,043.46
  5. Step 5: Solve for x
    x = 29,541,043.46/8,234.88
  6. Step 6: Final answer
    x = 3,587.31

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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.