Home / 5,519.70-8,277.57-2,921.22

Finding the Fourth Proportional to 5,519.70, 8,277.57 and 2,921.22

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Solution

The fourth proportional to 5,519.70, 8,277.57 and 2,921.22 is: 4,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.70 : 8,277.57 = 2,921.22 : x
  2. Step 2: Convert to fraction form
    5,519.70/8,277.57 = 2,921.22/x
  3. Step 3: Cross multiply
    5,519.70x = 8,277.57 × 2,921.22
  4. Step 4: Simplify right side
    5,519.70x = 24,180,603.04
  5. Step 5: Solve for x
    x = 24,180,603.04/5,519.70
  6. Step 6: Final answer
    x = 4,380.78

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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.