Home / 8,132.70-12,202.55-2,586.50

Finding the Fourth Proportional to 8,132.70, 12,202.55 and 2,586.50

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Solution

The fourth proportional to 8,132.70, 12,202.55 and 2,586.50 is: 3,880.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.70 : 12,202.55 = 2,586.50 : x
  2. Step 2: Convert to fraction form
    8,132.70/12,202.55 = 2,586.50/x
  3. Step 3: Cross multiply
    8,132.70x = 12,202.55 × 2,586.50
  4. Step 4: Simplify right side
    8,132.70x = 31,561,877.09
  5. Step 5: Solve for x
    x = 31,561,877.09/8,132.70
  6. Step 6: Final answer
    x = 3,880.86

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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.