Home / 6,754.20-10,137.30-3,977.40

Finding the Fourth Proportional to 6,754.20, 10,137.30 and 3,977.40

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Solution

The fourth proportional to 6,754.20, 10,137.30 and 3,977.40 is: 5,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.20 : 10,137.30 = 3,977.40 : x
  2. Step 2: Convert to fraction form
    6,754.20/10,137.30 = 3,977.40/x
  3. Step 3: Cross multiply
    6,754.20x = 10,137.30 × 3,977.40
  4. Step 4: Simplify right side
    6,754.20x = 40,320,097.02
  5. Step 5: Solve for x
    x = 40,320,097.02/6,754.20
  6. Step 6: Final answer
    x = 5,969.63

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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.