Home / 8,125.67-12,190.04-2,577.53

Finding the Fourth Proportional to 8,125.67, 12,190.04 and 2,577.53

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Solution

The fourth proportional to 8,125.67, 12,190.04 and 2,577.53 is: 3,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.67 : 12,190.04 = 2,577.53 : x
  2. Step 2: Convert to fraction form
    8,125.67/12,190.04 = 2,577.53/x
  3. Step 3: Cross multiply
    8,125.67x = 12,190.04 × 2,577.53
  4. Step 4: Simplify right side
    8,125.67x = 31,420,119.96
  5. Step 5: Solve for x
    x = 31,420,119.96/8,125.67
  6. Step 6: Final answer
    x = 3,866.78

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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.