Home / 6,689.21-10,033.83-2,742.62

Finding the Fourth Proportional to 6,689.21, 10,033.83 and 2,742.62

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Solution

The fourth proportional to 6,689.21, 10,033.83 and 2,742.62 is: 4,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.21 : 10,033.83 = 2,742.62 : x
  2. Step 2: Convert to fraction form
    6,689.21/10,033.83 = 2,742.62/x
  3. Step 3: Cross multiply
    6,689.21x = 10,033.83 × 2,742.62
  4. Step 4: Simplify right side
    6,689.21x = 27,518,932.67
  5. Step 5: Solve for x
    x = 27,518,932.67/6,689.21
  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.