Home / 8,156.44-12,234.66-2,312.29

Finding the Fourth Proportional to 8,156.44, 12,234.66 and 2,312.29

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Solution

The fourth proportional to 8,156.44, 12,234.66 and 2,312.29 is: 3,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.44 : 12,234.66 = 2,312.29 : x
  2. Step 2: Convert to fraction form
    8,156.44/12,234.66 = 2,312.29/x
  3. Step 3: Cross multiply
    8,156.44x = 12,234.66 × 2,312.29
  4. Step 4: Simplify right side
    8,156.44x = 28,290,081.97
  5. Step 5: Solve for x
    x = 28,290,081.97/8,156.44
  6. Step 6: Final answer
    x = 3,468.44

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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.