Home / 8,838.90-13,255.47-3,908.43

Finding the Fourth Proportional to 8,838.90, 13,255.47 and 3,908.43

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Solution

The fourth proportional to 8,838.90, 13,255.47 and 3,908.43 is: 5,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.90 : 13,255.47 = 3,908.43 : x
  2. Step 2: Convert to fraction form
    8,838.90/13,255.47 = 3,908.43/x
  3. Step 3: Cross multiply
    8,838.90x = 13,255.47 × 3,908.43
  4. Step 4: Simplify right side
    8,838.90x = 51,808,076.61
  5. Step 5: Solve for x
    x = 51,808,076.61/8,838.90
  6. Step 6: Final answer
    x = 5,861.37

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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.