Home / 8,192.37-12,291.27-3,260.70

Finding the Fourth Proportional to 8,192.37, 12,291.27 and 3,260.70

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Solution

The fourth proportional to 8,192.37, 12,291.27 and 3,260.70 is: 4,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.37 : 12,291.27 = 3,260.70 : x
  2. Step 2: Convert to fraction form
    8,192.37/12,291.27 = 3,260.70/x
  3. Step 3: Cross multiply
    8,192.37x = 12,291.27 × 3,260.70
  4. Step 4: Simplify right side
    8,192.37x = 40,078,144.09
  5. Step 5: Solve for x
    x = 40,078,144.09/8,192.37
  6. Step 6: Final answer
    x = 4,892.13

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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.