Home / 5,446.14-8,169.18-1,983.40

Finding the Fourth Proportional to 5,446.14, 8,169.18 and 1,983.40

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Solution

The fourth proportional to 5,446.14, 8,169.18 and 1,983.40 is: 2,975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.14 : 8,169.18 = 1,983.40 : x
  2. Step 2: Convert to fraction form
    5,446.14/8,169.18 = 1,983.40/x
  3. Step 3: Cross multiply
    5,446.14x = 8,169.18 × 1,983.40
  4. Step 4: Simplify right side
    5,446.14x = 16,202,751.61
  5. Step 5: Solve for x
    x = 16,202,751.61/5,446.14
  6. Step 6: Final answer
    x = 2,975.09

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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.