Home / 8,146.07-12,222.50-2,881.78

Finding the Fourth Proportional to 8,146.07, 12,222.50 and 2,881.78

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Solution

The fourth proportional to 8,146.07, 12,222.50 and 2,881.78 is: 4,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.07 : 12,222.50 = 2,881.78 : x
  2. Step 2: Convert to fraction form
    8,146.07/12,222.50 = 2,881.78/x
  3. Step 3: Cross multiply
    8,146.07x = 12,222.50 × 2,881.78
  4. Step 4: Simplify right side
    8,146.07x = 35,222,511.08
  5. Step 5: Solve for x
    x = 35,222,511.08/8,146.07
  6. Step 6: Final answer
    x = 4,323.87

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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.