Home / 4,518.58-6,777.87-2,979.22

Finding the Fourth Proportional to 4,518.58, 6,777.87 and 2,979.22

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Solution

The fourth proportional to 4,518.58, 6,777.87 and 2,979.22 is: 4,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.58 : 6,777.87 = 2,979.22 : x
  2. Step 2: Convert to fraction form
    4,518.58/6,777.87 = 2,979.22/x
  3. Step 3: Cross multiply
    4,518.58x = 6,777.87 × 2,979.22
  4. Step 4: Simplify right side
    4,518.58x = 20,192,765.86
  5. Step 5: Solve for x
    x = 20,192,765.86/4,518.58
  6. Step 6: Final answer
    x = 4,468.83

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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.