Home / 4,286.52-6,431.22-1,688.04

Finding the Fourth Proportional to 4,286.52, 6,431.22 and 1,688.04

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Solution

The fourth proportional to 4,286.52, 6,431.22 and 1,688.04 is: 2,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.52 : 6,431.22 = 1,688.04 : x
  2. Step 2: Convert to fraction form
    4,286.52/6,431.22 = 1,688.04/x
  3. Step 3: Cross multiply
    4,286.52x = 6,431.22 × 1,688.04
  4. Step 4: Simplify right side
    4,286.52x = 10,856,156.61
  5. Step 5: Solve for x
    x = 10,856,156.61/4,286.52
  6. Step 6: Final answer
    x = 2,532.63

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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.