Home / 5,849.20-8,768.40-2,149.39

Finding the Fourth Proportional to 5,849.20, 8,768.40 and 2,149.39

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Solution

The fourth proportional to 5,849.20, 8,768.40 and 2,149.39 is: 3,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,849.20 : 8,768.40 = 2,149.39 : x
  2. Step 2: Convert to fraction form
    5,849.20/8,768.40 = 2,149.39/x
  3. Step 3: Cross multiply
    5,849.20x = 8,768.40 × 2,149.39
  4. Step 4: Simplify right side
    5,849.20x = 18,846,711.28
  5. Step 5: Solve for x
    x = 18,846,711.28/5,849.20
  6. Step 6: Final answer
    x = 3,222.10

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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.