Home / 4,890.43-7,336.83-2,811.76

Finding the Fourth Proportional to 4,890.43, 7,336.83 and 2,811.76

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Solution

The fourth proportional to 4,890.43, 7,336.83 and 2,811.76 is: 4,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.43 : 7,336.83 = 2,811.76 : x
  2. Step 2: Convert to fraction form
    4,890.43/7,336.83 = 2,811.76/x
  3. Step 3: Cross multiply
    4,890.43x = 7,336.83 × 2,811.76
  4. Step 4: Simplify right side
    4,890.43x = 20,629,405.12
  5. Step 5: Solve for x
    x = 20,629,405.12/4,890.43
  6. Step 6: Final answer
    x = 4,218.32

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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.