Home / 8,086.13-12,125.40-4,387.37

Finding the Fourth Proportional to 8,086.13, 12,125.40 and 4,387.37

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Solution

The fourth proportional to 8,086.13, 12,125.40 and 4,387.37 is: 6,578.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086.13 : 12,125.40 = 4,387.37 : x
  2. Step 2: Convert to fraction form
    8,086.13/12,125.40 = 4,387.37/x
  3. Step 3: Cross multiply
    8,086.13x = 12,125.40 × 4,387.37
  4. Step 4: Simplify right side
    8,086.13x = 53,198,539.12
  5. Step 5: Solve for x
    x = 53,198,539.12/8,086.13
  6. Step 6: Final answer
    x = 6,578.99

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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.