Home / 5,627.55-8,436.17-2,162.19

Finding the Fourth Proportional to 5,627.55, 8,436.17 and 2,162.19

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Solution

The fourth proportional to 5,627.55, 8,436.17 and 2,162.19 is: 3,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.55 : 8,436.17 = 2,162.19 : x
  2. Step 2: Convert to fraction form
    5,627.55/8,436.17 = 2,162.19/x
  3. Step 3: Cross multiply
    5,627.55x = 8,436.17 × 2,162.19
  4. Step 4: Simplify right side
    5,627.55x = 18,240,591.60
  5. Step 5: Solve for x
    x = 18,240,591.60/5,627.55
  6. Step 6: Final answer
    x = 3,241.30

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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.