Home / 5,516.38-8,272.82-1,817.92

Finding the Fourth Proportional to 5,516.38, 8,272.82 and 1,817.92

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Solution

The fourth proportional to 5,516.38, 8,272.82 and 1,817.92 is: 2,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.38 : 8,272.82 = 1,817.92 : x
  2. Step 2: Convert to fraction form
    5,516.38/8,272.82 = 1,817.92/x
  3. Step 3: Cross multiply
    5,516.38x = 8,272.82 × 1,817.92
  4. Step 4: Simplify right side
    5,516.38x = 15,039,315.84
  5. Step 5: Solve for x
    x = 15,039,315.84/5,516.38
  6. Step 6: Final answer
    x = 2,726.30

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1.5x scale

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.