Home / 8,160.42-12,229.19-3,474.09

Finding the Fourth Proportional to 8,160.42, 12,229.19 and 3,474.09

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Solution

The fourth proportional to 8,160.42, 12,229.19 and 3,474.09 is: 5,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.42 : 12,229.19 = 3,474.09 : x
  2. Step 2: Convert to fraction form
    8,160.42/12,229.19 = 3,474.09/x
  3. Step 3: Cross multiply
    8,160.42x = 12,229.19 × 3,474.09
  4. Step 4: Simplify right side
    8,160.42x = 42,485,302.34
  5. Step 5: Solve for x
    x = 42,485,302.34/8,160.42
  6. Step 6: Final answer
    x = 5,206.26

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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.