Home / 8,234.88-12,349.20-2,686.92

Finding the Fourth Proportional to 8,234.88, 12,349.20 and 2,686.92

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Solution

The fourth proportional to 8,234.88, 12,349.20 and 2,686.92 is: 4,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.88 : 12,349.20 = 2,686.92 : x
  2. Step 2: Convert to fraction form
    8,234.88/12,349.20 = 2,686.92/x
  3. Step 3: Cross multiply
    8,234.88x = 12,349.20 × 2,686.92
  4. Step 4: Simplify right side
    8,234.88x = 33,181,312.46
  5. Step 5: Solve for x
    x = 33,181,312.46/8,234.88
  6. Step 6: Final answer
    x = 4,029.36

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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.