Home / 8,052.89-12,083.15-3,890.57

Finding the Fourth Proportional to 8,052.89, 12,083.15 and 3,890.57

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Solution

The fourth proportional to 8,052.89, 12,083.15 and 3,890.57 is: 5,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.89 : 12,083.15 = 3,890.57 : x
  2. Step 2: Convert to fraction form
    8,052.89/12,083.15 = 3,890.57/x
  3. Step 3: Cross multiply
    8,052.89x = 12,083.15 × 3,890.57
  4. Step 4: Simplify right side
    8,052.89x = 47,010,279.26
  5. Step 5: Solve for x
    x = 47,010,279.26/8,052.89
  6. Step 6: Final answer
    x = 5,837.69

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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.