Home / 8,838.97-13,247.42-3,905.53

Finding the Fourth Proportional to 8,838.97, 13,247.42 and 3,905.53

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Solution

The fourth proportional to 8,838.97, 13,247.42 and 3,905.53 is: 5,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.97 : 13,247.42 = 3,905.53 : x
  2. Step 2: Convert to fraction form
    8,838.97/13,247.42 = 3,905.53/x
  3. Step 3: Cross multiply
    8,838.97x = 13,247.42 × 3,905.53
  4. Step 4: Simplify right side
    8,838.97x = 51,738,176.70
  5. Step 5: Solve for x
    x = 51,738,176.70/8,838.97
  6. Step 6: Final answer
    x = 5,853.42

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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.