Home / 5,515.66-8,273.48-2,228.75

Finding the Fourth Proportional to 5,515.66, 8,273.48 and 2,228.75

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Solution

The fourth proportional to 5,515.66, 8,273.48 and 2,228.75 is: 3,343.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.66 : 8,273.48 = 2,228.75 : x
  2. Step 2: Convert to fraction form
    5,515.66/8,273.48 = 2,228.75/x
  3. Step 3: Cross multiply
    5,515.66x = 8,273.48 × 2,228.75
  4. Step 4: Simplify right side
    5,515.66x = 18,439,544.81
  5. Step 5: Solve for x
    x = 18,439,544.81/5,515.66
  6. Step 6: Final answer
    x = 3,343.13

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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.