Home / 5,505.67-8,258.40-2,218.69

Finding the Fourth Proportional to 5,505.67, 8,258.40 and 2,218.69

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Solution

The fourth proportional to 5,505.67, 8,258.40 and 2,218.69 is: 3,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.67 : 8,258.40 = 2,218.69 : x
  2. Step 2: Convert to fraction form
    5,505.67/8,258.40 = 2,218.69/x
  3. Step 3: Cross multiply
    5,505.67x = 8,258.40 × 2,218.69
  4. Step 4: Simplify right side
    5,505.67x = 18,322,835.04
  5. Step 5: Solve for x
    x = 18,322,835.04/5,505.67
  6. Step 6: Final answer
    x = 3,327.99

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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.