Home / 8,124.29-12,188.26-2,577.82

Finding the Fourth Proportional to 8,124.29, 12,188.26 and 2,577.82

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Solution

The fourth proportional to 8,124.29, 12,188.26 and 2,577.82 is: 3,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.29 : 12,188.26 = 2,577.82 : x
  2. Step 2: Convert to fraction form
    8,124.29/12,188.26 = 2,577.82/x
  3. Step 3: Cross multiply
    8,124.29x = 12,188.26 × 2,577.82
  4. Step 4: Simplify right side
    8,124.29x = 31,419,143.25
  5. Step 5: Solve for x
    x = 31,419,143.25/8,124.29
  6. Step 6: Final answer
    x = 3,867.31

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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.