Home / 4,778.92-7,168.36-2,697.98

Finding the Fourth Proportional to 4,778.92, 7,168.36 and 2,697.98

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Solution

The fourth proportional to 4,778.92, 7,168.36 and 2,697.98 is: 4,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.92 : 7,168.36 = 2,697.98 : x
  2. Step 2: Convert to fraction form
    4,778.92/7,168.36 = 2,697.98/x
  3. Step 3: Cross multiply
    4,778.92x = 7,168.36 × 2,697.98
  4. Step 4: Simplify right side
    4,778.92x = 19,340,091.91
  5. Step 5: Solve for x
    x = 19,340,091.91/4,778.92
  6. Step 6: Final answer
    x = 4,046.96

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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.