Home / 8,003.85-12,006.42-2,160.38

Finding the Fourth Proportional to 8,003.85, 12,006.42 and 2,160.38

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Solution

The fourth proportional to 8,003.85, 12,006.42 and 2,160.38 is: 3,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.85 : 12,006.42 = 2,160.38 : x
  2. Step 2: Convert to fraction form
    8,003.85/12,006.42 = 2,160.38/x
  3. Step 3: Cross multiply
    8,003.85x = 12,006.42 × 2,160.38
  4. Step 4: Simplify right side
    8,003.85x = 25,938,358.81
  5. Step 5: Solve for x
    x = 25,938,358.81/8,003.85
  6. Step 6: Final answer
    x = 3,240.74

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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.