Home / 3,730.53-5,147.25-3,135.28

Finding the Fourth Proportional to 3,730.53, 5,147.25 and 3,135.28

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Solution

The fourth proportional to 3,730.53, 5,147.25 and 3,135.28 is: 4,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.53 : 5,147.25 = 3,135.28 : x
  2. Step 2: Convert to fraction form
    3,730.53/5,147.25 = 3,135.28/x
  3. Step 3: Cross multiply
    3,730.53x = 5,147.25 × 3,135.28
  4. Step 4: Simplify right side
    3,730.53x = 16,138,069.98
  5. Step 5: Solve for x
    x = 16,138,069.98/3,730.53
  6. Step 6: Final answer
    x = 4,325.95

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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.