Home / 5,539.91-8,312.97-2,942.78

Finding the Fourth Proportional to 5,539.91, 8,312.97 and 2,942.78

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Solution

The fourth proportional to 5,539.91, 8,312.97 and 2,942.78 is: 4,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.91 : 8,312.97 = 2,942.78 : x
  2. Step 2: Convert to fraction form
    5,539.91/8,312.97 = 2,942.78/x
  3. Step 3: Cross multiply
    5,539.91x = 8,312.97 × 2,942.78
  4. Step 4: Simplify right side
    5,539.91x = 24,463,241.86
  5. Step 5: Solve for x
    x = 24,463,241.86/5,539.91
  6. Step 6: Final answer
    x = 4,415.82

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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.