Home / 8,156.58-12,234.82-2,313.19

Finding the Fourth Proportional to 8,156.58, 12,234.82 and 2,313.19

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Solution

The fourth proportional to 8,156.58, 12,234.82 and 2,313.19 is: 3,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.58 : 12,234.82 = 2,313.19 : x
  2. Step 2: Convert to fraction form
    8,156.58/12,234.82 = 2,313.19/x
  3. Step 3: Cross multiply
    8,156.58x = 12,234.82 × 2,313.19
  4. Step 4: Simplify right side
    8,156.58x = 28,301,463.28
  5. Step 5: Solve for x
    x = 28,301,463.28/8,156.58
  6. Step 6: Final answer
    x = 3,469.77

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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.