Home / 8,004.38-12,006.56-2,160.99

Finding the Fourth Proportional to 8,004.38, 12,006.56 and 2,160.99

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Solution

The fourth proportional to 8,004.38, 12,006.56 and 2,160.99 is: 3,241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.38 : 12,006.56 = 2,160.99 : x
  2. Step 2: Convert to fraction form
    8,004.38/12,006.56 = 2,160.99/x
  3. Step 3: Cross multiply
    8,004.38x = 12,006.56 × 2,160.99
  4. Step 4: Simplify right side
    8,004.38x = 25,946,056.09
  5. Step 5: Solve for x
    x = 25,946,056.09/8,004.38
  6. Step 6: Final answer
    x = 3,241.48

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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.