Home / 5,476.12-8,212.26-2,188.60

Finding the Fourth Proportional to 5,476.12, 8,212.26 and 2,188.60

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Solution

The fourth proportional to 5,476.12, 8,212.26 and 2,188.60 is: 3,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.12 : 8,212.26 = 2,188.60 : x
  2. Step 2: Convert to fraction form
    5,476.12/8,212.26 = 2,188.60/x
  3. Step 3: Cross multiply
    5,476.12x = 8,212.26 × 2,188.60
  4. Step 4: Simplify right side
    5,476.12x = 17,973,352.24
  5. Step 5: Solve for x
    x = 17,973,352.24/5,476.12
  6. Step 6: Final answer
    x = 3,282.13

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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.