Home / 8,704.36-13,048.62-3,155.32

Finding the Fourth Proportional to 8,704.36, 13,048.62 and 3,155.32

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Solution

The fourth proportional to 8,704.36, 13,048.62 and 3,155.32 is: 4,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.36 : 13,048.62 = 3,155.32 : x
  2. Step 2: Convert to fraction form
    8,704.36/13,048.62 = 3,155.32/x
  3. Step 3: Cross multiply
    8,704.36x = 13,048.62 × 3,155.32
  4. Step 4: Simplify right side
    8,704.36x = 41,172,571.66
  5. Step 5: Solve for x
    x = 41,172,571.66/8,704.36
  6. Step 6: Final answer
    x = 4,730.11

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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.