Home / 8,161.43-12,237.36-2,611.92

Finding the Fourth Proportional to 8,161.43, 12,237.36 and 2,611.92

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Solution

The fourth proportional to 8,161.43, 12,237.36 and 2,611.92 is: 3,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.43 : 12,237.36 = 2,611.92 : x
  2. Step 2: Convert to fraction form
    8,161.43/12,237.36 = 2,611.92/x
  3. Step 3: Cross multiply
    8,161.43x = 12,237.36 × 2,611.92
  4. Step 4: Simplify right side
    8,161.43x = 31,963,021.70
  5. Step 5: Solve for x
    x = 31,963,021.70/8,161.43
  6. Step 6: Final answer
    x = 3,916.35

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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.