Home / 8,091.45-12,139.32-2,544.99

Finding the Fourth Proportional to 8,091.45, 12,139.32 and 2,544.99

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Solution

The fourth proportional to 8,091.45, 12,139.32 and 2,544.99 is: 3,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.45 : 12,139.32 = 2,544.99 : x
  2. Step 2: Convert to fraction form
    8,091.45/12,139.32 = 2,544.99/x
  3. Step 3: Cross multiply
    8,091.45x = 12,139.32 × 2,544.99
  4. Step 4: Simplify right side
    8,091.45x = 30,894,448.01
  5. Step 5: Solve for x
    x = 30,894,448.01/8,091.45
  6. Step 6: Final answer
    x = 3,818.16

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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.