Home / 8,068.85-12,086.27-3,689.99

Finding the Fourth Proportional to 8,068.85, 12,086.27 and 3,689.99

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Solution

The fourth proportional to 8,068.85, 12,086.27 and 3,689.99 is: 5,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.85 : 12,086.27 = 3,689.99 : x
  2. Step 2: Convert to fraction form
    8,068.85/12,086.27 = 3,689.99/x
  3. Step 3: Cross multiply
    8,068.85x = 12,086.27 × 3,689.99
  4. Step 4: Simplify right side
    8,068.85x = 44,598,196.99
  5. Step 5: Solve for x
    x = 44,598,196.99/8,068.85
  6. Step 6: Final answer
    x = 5,527.21

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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.