Home / 8,130.72-12,196.20-2,584.92

Finding the Fourth Proportional to 8,130.72, 12,196.20 and 2,584.92

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Solution

The fourth proportional to 8,130.72, 12,196.20 and 2,584.92 is: 3,877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.72 : 12,196.20 = 2,584.92 : x
  2. Step 2: Convert to fraction form
    8,130.72/12,196.20 = 2,584.92/x
  3. Step 3: Cross multiply
    8,130.72x = 12,196.20 × 2,584.92
  4. Step 4: Simplify right side
    8,130.72x = 31,526,201.30
  5. Step 5: Solve for x
    x = 31,526,201.30/8,130.72
  6. Step 6: Final answer
    x = 3,877.42

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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.