Home / 8,738.78-13,108.14-3,544.64

Finding the Fourth Proportional to 8,738.78, 13,108.14 and 3,544.64

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Solution

The fourth proportional to 8,738.78, 13,108.14 and 3,544.64 is: 5,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.78 : 13,108.14 = 3,544.64 : x
  2. Step 2: Convert to fraction form
    8,738.78/13,108.14 = 3,544.64/x
  3. Step 3: Cross multiply
    8,738.78x = 13,108.14 × 3,544.64
  4. Step 4: Simplify right side
    8,738.78x = 46,463,637.37
  5. Step 5: Solve for x
    x = 46,463,637.37/8,738.78
  6. Step 6: Final answer
    x = 5,316.95

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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.