Home / 4,538.64-6,808.11-1,251.78

Finding the Fourth Proportional to 4,538.64, 6,808.11 and 1,251.78

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Solution

The fourth proportional to 4,538.64, 6,808.11 and 1,251.78 is: 1,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.64 : 6,808.11 = 1,251.78 : x
  2. Step 2: Convert to fraction form
    4,538.64/6,808.11 = 1,251.78/x
  3. Step 3: Cross multiply
    4,538.64x = 6,808.11 × 1,251.78
  4. Step 4: Simplify right side
    4,538.64x = 8,522,255.94
  5. Step 5: Solve for x
    x = 8,522,255.94/4,538.64
  6. Step 6: Final answer
    x = 1,877.71

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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.