Home / 8,213.36-12,320.49-2,369.82

Finding the Fourth Proportional to 8,213.36, 12,320.49 and 2,369.82

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Solution

The fourth proportional to 8,213.36, 12,320.49 and 2,369.82 is: 3,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.36 : 12,320.49 = 2,369.82 : x
  2. Step 2: Convert to fraction form
    8,213.36/12,320.49 = 2,369.82/x
  3. Step 3: Cross multiply
    8,213.36x = 12,320.49 × 2,369.82
  4. Step 4: Simplify right side
    8,213.36x = 29,197,343.61
  5. Step 5: Solve for x
    x = 29,197,343.61/8,213.36
  6. Step 6: Final answer
    x = 3,554.86

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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.