Home / 5,538.91-8,311.47-2,941.78

Finding the Fourth Proportional to 5,538.91, 8,311.47 and 2,941.78

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Solution

The fourth proportional to 5,538.91, 8,311.47 and 2,941.78 is: 4,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.91 : 8,311.47 = 2,941.78 : x
  2. Step 2: Convert to fraction form
    5,538.91/8,311.47 = 2,941.78/x
  3. Step 3: Cross multiply
    5,538.91x = 8,311.47 × 2,941.78
  4. Step 4: Simplify right side
    5,538.91x = 24,450,516.22
  5. Step 5: Solve for x
    x = 24,450,516.22/5,538.91
  6. Step 6: Final answer
    x = 4,414.32

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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.