Home / 6,766.65-10,143.18-3,838.86

Finding the Fourth Proportional to 6,766.65, 10,143.18 and 3,838.86

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Solution

The fourth proportional to 6,766.65, 10,143.18 and 3,838.86 is: 5,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766.65 : 10,143.18 = 3,838.86 : x
  2. Step 2: Convert to fraction form
    6,766.65/10,143.18 = 3,838.86/x
  3. Step 3: Cross multiply
    6,766.65x = 10,143.18 × 3,838.86
  4. Step 4: Simplify right side
    6,766.65x = 38,938,247.97
  5. Step 5: Solve for x
    x = 38,938,247.97/6,766.65
  6. Step 6: Final answer
    x = 5,754.44

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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.