Home / 5,505.20-8,257.60-2,217.40

Finding the Fourth Proportional to 5,505.20, 8,257.60 and 2,217.40

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Solution

The fourth proportional to 5,505.20, 8,257.60 and 2,217.40 is: 3,326.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.20 : 8,257.60 = 2,217.40 : x
  2. Step 2: Convert to fraction form
    5,505.20/8,257.60 = 2,217.40/x
  3. Step 3: Cross multiply
    5,505.20x = 8,257.60 × 2,217.40
  4. Step 4: Simplify right side
    5,505.20x = 18,310,402.24
  5. Step 5: Solve for x
    x = 18,310,402.24/5,505.20
  6. Step 6: Final answer
    x = 3,326.02

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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.