Home / 5,412.25-8,121.63-2,334.25

Finding the Fourth Proportional to 5,412.25, 8,121.63 and 2,334.25

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Solution

The fourth proportional to 5,412.25, 8,121.63 and 2,334.25 is: 3,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.25 : 8,121.63 = 2,334.25 : x
  2. Step 2: Convert to fraction form
    5,412.25/8,121.63 = 2,334.25/x
  3. Step 3: Cross multiply
    5,412.25x = 8,121.63 × 2,334.25
  4. Step 4: Simplify right side
    5,412.25x = 18,957,914.83
  5. Step 5: Solve for x
    x = 18,957,914.83/5,412.25
  6. Step 6: Final answer
    x = 3,502.78

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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.