Home / 7,137.24-10,703.04-2,751.90

Finding the Fourth Proportional to 7,137.24, 10,703.04 and 2,751.90

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Solution

The fourth proportional to 7,137.24, 10,703.04 and 2,751.90 is: 4,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.24 : 10,703.04 = 2,751.90 : x
  2. Step 2: Convert to fraction form
    7,137.24/10,703.04 = 2,751.90/x
  3. Step 3: Cross multiply
    7,137.24x = 10,703.04 × 2,751.90
  4. Step 4: Simplify right side
    7,137.24x = 29,453,695.78
  5. Step 5: Solve for x
    x = 29,453,695.78/7,137.24
  6. Step 6: Final answer
    x = 4,126.76

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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.