Home / 8,091.40-12,136.28-2,544.59

Finding the Fourth Proportional to 8,091.40, 12,136.28 and 2,544.59

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Solution

The fourth proportional to 8,091.40, 12,136.28 and 2,544.59 is: 3,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.40 : 12,136.28 = 2,544.59 : x
  2. Step 2: Convert to fraction form
    8,091.40/12,136.28 = 2,544.59/x
  3. Step 3: Cross multiply
    8,091.40x = 12,136.28 × 2,544.59
  4. Step 4: Simplify right side
    8,091.40x = 30,881,856.73
  5. Step 5: Solve for x
    x = 30,881,856.73/8,091.40
  6. Step 6: Final answer
    x = 3,816.63

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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.