Home / 7,414.80-11,124.36-3,513.84

Finding the Fourth Proportional to 7,414.80, 11,124.36 and 3,513.84

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Solution

The fourth proportional to 7,414.80, 11,124.36 and 3,513.84 is: 5,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.80 : 11,124.36 = 3,513.84 : x
  2. Step 2: Convert to fraction form
    7,414.80/11,124.36 = 3,513.84/x
  3. Step 3: Cross multiply
    7,414.80x = 11,124.36 × 3,513.84
  4. Step 4: Simplify right side
    7,414.80x = 39,089,221.14
  5. Step 5: Solve for x
    x = 39,089,221.14/7,414.80
  6. Step 6: Final answer
    x = 5,271.78

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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.