Home / 5,515.77-8,273.92-2,228.45

Finding the Fourth Proportional to 5,515.77, 8,273.92 and 2,228.45

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Solution

The fourth proportional to 5,515.77, 8,273.92 and 2,228.45 is: 3,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.77 : 8,273.92 = 2,228.45 : x
  2. Step 2: Convert to fraction form
    5,515.77/8,273.92 = 2,228.45/x
  3. Step 3: Cross multiply
    5,515.77x = 8,273.92 × 2,228.45
  4. Step 4: Simplify right side
    5,515.77x = 18,438,017.02
  5. Step 5: Solve for x
    x = 18,438,017.02/5,515.77
  6. Step 6: Final answer
    x = 3,342.78

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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.