Home / 9,137.45-13,707.36-3,213.92

Finding the Fourth Proportional to 9,137.45, 13,707.36 and 3,213.92

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Solution

The fourth proportional to 9,137.45, 13,707.36 and 3,213.92 is: 4,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.45 : 13,707.36 = 3,213.92 : x
  2. Step 2: Convert to fraction form
    9,137.45/13,707.36 = 3,213.92/x
  3. Step 3: Cross multiply
    9,137.45x = 13,707.36 × 3,213.92
  4. Step 4: Simplify right side
    9,137.45x = 44,054,392.72
  5. Step 5: Solve for x
    x = 44,054,392.72/9,137.45
  6. Step 6: Final answer
    x = 4,821.30

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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.