Home / 5,538.54-8,310.90-2,616.84

Finding the Fourth Proportional to 5,538.54, 8,310.90 and 2,616.84

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Solution

The fourth proportional to 5,538.54, 8,310.90 and 2,616.84 is: 3,926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.54 : 8,310.90 = 2,616.84 : x
  2. Step 2: Convert to fraction form
    5,538.54/8,310.90 = 2,616.84/x
  3. Step 3: Cross multiply
    5,538.54x = 8,310.90 × 2,616.84
  4. Step 4: Simplify right side
    5,538.54x = 21,748,295.56
  5. Step 5: Solve for x
    x = 21,748,295.56/5,538.54
  6. Step 6: Final answer
    x = 3,926.72

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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.