Home / 8,512.35-12,768.53-2,589.28

Finding the Fourth Proportional to 8,512.35, 12,768.53 and 2,589.28

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Solution

The fourth proportional to 8,512.35, 12,768.53 and 2,589.28 is: 3,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.35 : 12,768.53 = 2,589.28 : x
  2. Step 2: Convert to fraction form
    8,512.35/12,768.53 = 2,589.28/x
  3. Step 3: Cross multiply
    8,512.35x = 12,768.53 × 2,589.28
  4. Step 4: Simplify right side
    8,512.35x = 33,061,299.36
  5. Step 5: Solve for x
    x = 33,061,299.36/8,512.35
  6. Step 6: Final answer
    x = 3,883.92

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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.