Home / 5,375.94-7,418.28-3,137.70

Finding the Fourth Proportional to 5,375.94, 7,418.28 and 3,137.70

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Solution

The fourth proportional to 5,375.94, 7,418.28 and 3,137.70 is: 4,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.94 : 7,418.28 = 3,137.70 : x
  2. Step 2: Convert to fraction form
    5,375.94/7,418.28 = 3,137.70/x
  3. Step 3: Cross multiply
    5,375.94x = 7,418.28 × 3,137.70
  4. Step 4: Simplify right side
    5,375.94x = 23,276,337.16
  5. Step 5: Solve for x
    x = 23,276,337.16/5,375.94
  6. Step 6: Final answer
    x = 4,329.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.