Home / 8,156.37-12,234.56-2,313.03

Finding the Fourth Proportional to 8,156.37, 12,234.56 and 2,313.03

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Solution

The fourth proportional to 8,156.37, 12,234.56 and 2,313.03 is: 3,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.37 : 12,234.56 = 2,313.03 : x
  2. Step 2: Convert to fraction form
    8,156.37/12,234.56 = 2,313.03/x
  3. Step 3: Cross multiply
    8,156.37x = 12,234.56 × 2,313.03
  4. Step 4: Simplify right side
    8,156.37x = 28,298,892.75
  5. Step 5: Solve for x
    x = 28,298,892.75/8,156.37
  6. Step 6: Final answer
    x = 3,469.55

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.