Home / 8,772.44-13,149.79-3,778.07

Finding the Fourth Proportional to 8,772.44, 13,149.79 and 3,778.07

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Solution

The fourth proportional to 8,772.44, 13,149.79 and 3,778.07 is: 5,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.44 : 13,149.79 = 3,778.07 : x
  2. Step 2: Convert to fraction form
    8,772.44/13,149.79 = 3,778.07/x
  3. Step 3: Cross multiply
    8,772.44x = 13,149.79 × 3,778.07
  4. Step 4: Simplify right side
    8,772.44x = 49,680,742.47
  5. Step 5: Solve for x
    x = 49,680,742.47/8,772.44
  6. Step 6: Final answer
    x = 5,663.28

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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.