Home / 4,790.78-6,611.23-2,800.96

Finding the Fourth Proportional to 4,790.78, 6,611.23 and 2,800.96

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Solution

The fourth proportional to 4,790.78, 6,611.23 and 2,800.96 is: 3,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.78 : 6,611.23 = 2,800.96 : x
  2. Step 2: Convert to fraction form
    4,790.78/6,611.23 = 2,800.96/x
  3. Step 3: Cross multiply
    4,790.78x = 6,611.23 × 2,800.96
  4. Step 4: Simplify right side
    4,790.78x = 18,517,777.75
  5. Step 5: Solve for x
    x = 18,517,777.75/4,790.78
  6. Step 6: Final answer
    x = 3,865.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.