Home / 7,238.18-10,857.38-2,311.97

Finding the Fourth Proportional to 7,238.18, 10,857.38 and 2,311.97

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Solution

The fourth proportional to 7,238.18, 10,857.38 and 2,311.97 is: 3,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.18 : 10,857.38 = 2,311.97 : x
  2. Step 2: Convert to fraction form
    7,238.18/10,857.38 = 2,311.97/x
  3. Step 3: Cross multiply
    7,238.18x = 10,857.38 × 2,311.97
  4. Step 4: Simplify right side
    7,238.18x = 25,101,870.99
  5. Step 5: Solve for x
    x = 25,101,870.99/7,238.18
  6. Step 6: Final answer
    x = 3,467.98

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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.