Home / 8,164.14-12,244.83-3,165.78

Finding the Fourth Proportional to 8,164.14, 12,244.83 and 3,165.78

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Solution

The fourth proportional to 8,164.14, 12,244.83 and 3,165.78 is: 4,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.14 : 12,244.83 = 3,165.78 : x
  2. Step 2: Convert to fraction form
    8,164.14/12,244.83 = 3,165.78/x
  3. Step 3: Cross multiply
    8,164.14x = 12,244.83 × 3,165.78
  4. Step 4: Simplify right side
    8,164.14x = 38,764,437.92
  5. Step 5: Solve for x
    x = 38,764,437.92/8,164.14
  6. Step 6: Final answer
    x = 4,748.13

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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.