Home / 8,908.38-13,360.14-3,285.36

Finding the Fourth Proportional to 8,908.38, 13,360.14 and 3,285.36

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Solution

The fourth proportional to 8,908.38, 13,360.14 and 3,285.36 is: 4,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.38 : 13,360.14 = 3,285.36 : x
  2. Step 2: Convert to fraction form
    8,908.38/13,360.14 = 3,285.36/x
  3. Step 3: Cross multiply
    8,908.38x = 13,360.14 × 3,285.36
  4. Step 4: Simplify right side
    8,908.38x = 43,892,869.55
  5. Step 5: Solve for x
    x = 43,892,869.55/8,908.38
  6. Step 6: Final answer
    x = 4,927.14

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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.