Home / 7,620.95-10,517.64-4,790.44

Finding the Fourth Proportional to 7,620.95, 10,517.64 and 4,790.44

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Solution

The fourth proportional to 7,620.95, 10,517.64 and 4,790.44 is: 6,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.95 : 10,517.64 = 4,790.44 : x
  2. Step 2: Convert to fraction form
    7,620.95/10,517.64 = 4,790.44/x
  3. Step 3: Cross multiply
    7,620.95x = 10,517.64 × 4,790.44
  4. Step 4: Simplify right side
    7,620.95x = 50,384,123.36
  5. Step 5: Solve for x
    x = 50,384,123.36/7,620.95
  6. Step 6: Final answer
    x = 6,611.27

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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.