Home / 5,517.53-8,279.27-4,287.41

Finding the Fourth Proportional to 5,517.53, 8,279.27 and 4,287.41

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Solution

The fourth proportional to 5,517.53, 8,279.27 and 4,287.41 is: 6,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.53 : 8,279.27 = 4,287.41 : x
  2. Step 2: Convert to fraction form
    5,517.53/8,279.27 = 4,287.41/x
  3. Step 3: Cross multiply
    5,517.53x = 8,279.27 × 4,287.41
  4. Step 4: Simplify right side
    5,517.53x = 35,496,603.55
  5. Step 5: Solve for x
    x = 35,496,603.55/5,517.53
  6. Step 6: Final answer
    x = 6,433.42

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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.