Home / 7,517.41-10,350.25-6,620.54

Finding the Fourth Proportional to 7,517.41, 10,350.25 and 6,620.54

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Solution

The fourth proportional to 7,517.41, 10,350.25 and 6,620.54 is: 9,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.41 : 10,350.25 = 6,620.54 : x
  2. Step 2: Convert to fraction form
    7,517.41/10,350.25 = 6,620.54/x
  3. Step 3: Cross multiply
    7,517.41x = 10,350.25 × 6,620.54
  4. Step 4: Simplify right side
    7,517.41x = 68,524,175.83
  5. Step 5: Solve for x
    x = 68,524,175.83/7,517.41
  6. Step 6: Final answer
    x = 9,115.40

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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.