Home / 6,824.16-10,218-3,898.44

Finding the Fourth Proportional to 6,824.16, 10,218 and 3,898.44

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Solution

The fourth proportional to 6,824.16, 10,218 and 3,898.44 is: 5,837.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.16 : 10,218 = 3,898.44 : x
  2. Step 2: Convert to fraction form
    6,824.16/10,218 = 3,898.44/x
  3. Step 3: Cross multiply
    6,824.16x = 10,218 × 3,898.44
  4. Step 4: Simplify right side
    6,824.16x = 39,834,259.92
  5. Step 5: Solve for x
    x = 39,834,259.92/6,824.16
  6. Step 6: Final answer
    x = 5,837.24

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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.