Home / 6,689.20-10,033.83-2,742.61

Finding the Fourth Proportional to 6,689.20, 10,033.83 and 2,742.61

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Solution

The fourth proportional to 6,689.20, 10,033.83 and 2,742.61 is: 4,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.20 : 10,033.83 = 2,742.61 : x
  2. Step 2: Convert to fraction form
    6,689.20/10,033.83 = 2,742.61/x
  3. Step 3: Cross multiply
    6,689.20x = 10,033.83 × 2,742.61
  4. Step 4: Simplify right side
    6,689.20x = 27,518,882.50
  5. Step 5: Solve for x
    x = 27,518,882.50/6,689.20
  6. Step 6: Final answer
    x = 4,113.93

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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.