Home / 8,083.26-12,126.33-2,887.92

Finding the Fourth Proportional to 8,083.26, 12,126.33 and 2,887.92

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Solution

The fourth proportional to 8,083.26, 12,126.33 and 2,887.92 is: 4,332.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.26 : 12,126.33 = 2,887.92 : x
  2. Step 2: Convert to fraction form
    8,083.26/12,126.33 = 2,887.92/x
  3. Step 3: Cross multiply
    8,083.26x = 12,126.33 × 2,887.92
  4. Step 4: Simplify right side
    8,083.26x = 35,019,870.93
  5. Step 5: Solve for x
    x = 35,019,870.93/8,083.26
  6. Step 6: Final answer
    x = 4,332.39

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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.