Home / 7,141.06-10,710.37-2,758.56

Finding the Fourth Proportional to 7,141.06, 10,710.37 and 2,758.56

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Solution

The fourth proportional to 7,141.06, 10,710.37 and 2,758.56 is: 4,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.06 : 10,710.37 = 2,758.56 : x
  2. Step 2: Convert to fraction form
    7,141.06/10,710.37 = 2,758.56/x
  3. Step 3: Cross multiply
    7,141.06x = 10,710.37 × 2,758.56
  4. Step 4: Simplify right side
    7,141.06x = 29,545,198.27
  5. Step 5: Solve for x
    x = 29,545,198.27/7,141.06
  6. Step 6: Final answer
    x = 4,137.37

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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.