Home / 7,418.22-11,128.35-2,737.64

Finding the Fourth Proportional to 7,418.22, 11,128.35 and 2,737.64

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Solution

The fourth proportional to 7,418.22, 11,128.35 and 2,737.64 is: 4,106.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.22 : 11,128.35 = 2,737.64 : x
  2. Step 2: Convert to fraction form
    7,418.22/11,128.35 = 2,737.64/x
  3. Step 3: Cross multiply
    7,418.22x = 11,128.35 × 2,737.64
  4. Step 4: Simplify right side
    7,418.22x = 30,465,360.45
  5. Step 5: Solve for x
    x = 30,465,360.45/7,418.22
  6. Step 6: Final answer
    x = 4,106.83

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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.