Home / 5,013.78-7,519.42-2,238.92

Finding the Fourth Proportional to 5,013.78, 7,519.42 and 2,238.92

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Solution

The fourth proportional to 5,013.78, 7,519.42 and 2,238.92 is: 3,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.78 : 7,519.42 = 2,238.92 : x
  2. Step 2: Convert to fraction form
    5,013.78/7,519.42 = 2,238.92/x
  3. Step 3: Cross multiply
    5,013.78x = 7,519.42 × 2,238.92
  4. Step 4: Simplify right side
    5,013.78x = 16,835,379.83
  5. Step 5: Solve for x
    x = 16,835,379.83/5,013.78
  6. Step 6: Final answer
    x = 3,357.82

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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.