Home / 5,505.40-8,257.74-2,214.52

Finding the Fourth Proportional to 5,505.40, 8,257.74 and 2,214.52

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Solution

The fourth proportional to 5,505.40, 8,257.74 and 2,214.52 is: 3,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.40 : 8,257.74 = 2,214.52 : x
  2. Step 2: Convert to fraction form
    5,505.40/8,257.74 = 2,214.52/x
  3. Step 3: Cross multiply
    5,505.40x = 8,257.74 × 2,214.52
  4. Step 4: Simplify right side
    5,505.40x = 18,286,930.38
  5. Step 5: Solve for x
    x = 18,286,930.38/5,505.40
  6. Step 6: Final answer
    x = 3,321.64

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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.