Home / 7,477.09-11,217.51-2,546.78

Finding the Fourth Proportional to 7,477.09, 11,217.51 and 2,546.78

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Solution

The fourth proportional to 7,477.09, 11,217.51 and 2,546.78 is: 3,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.09 : 11,217.51 = 2,546.78 : x
  2. Step 2: Convert to fraction form
    7,477.09/11,217.51 = 2,546.78/x
  3. Step 3: Cross multiply
    7,477.09x = 11,217.51 × 2,546.78
  4. Step 4: Simplify right side
    7,477.09x = 28,568,474.03
  5. Step 5: Solve for x
    x = 28,568,474.03/7,477.09
  6. Step 6: Final answer
    x = 3,820.80

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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.