Home / 7,348.20-11,027.70-4,578.90

Finding the Fourth Proportional to 7,348.20, 11,027.70 and 4,578.90

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Solution

The fourth proportional to 7,348.20, 11,027.70 and 4,578.90 is: 6,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.20 : 11,027.70 = 4,578.90 : x
  2. Step 2: Convert to fraction form
    7,348.20/11,027.70 = 4,578.90/x
  3. Step 3: Cross multiply
    7,348.20x = 11,027.70 × 4,578.90
  4. Step 4: Simplify right side
    7,348.20x = 50,494,735.53
  5. Step 5: Solve for x
    x = 50,494,735.53/7,348.20
  6. Step 6: Final answer
    x = 6,871.71

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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.