Home / 9,106.85-13,662.11-2,867.83

Finding the Fourth Proportional to 9,106.85, 13,662.11 and 2,867.83

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Solution

The fourth proportional to 9,106.85, 13,662.11 and 2,867.83 is: 4,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.85 : 13,662.11 = 2,867.83 : x
  2. Step 2: Convert to fraction form
    9,106.85/13,662.11 = 2,867.83/x
  3. Step 3: Cross multiply
    9,106.85x = 13,662.11 × 2,867.83
  4. Step 4: Simplify right side
    9,106.85x = 39,180,581.94
  5. Step 5: Solve for x
    x = 39,180,581.94/9,106.85
  6. Step 6: Final answer
    x = 4,302.32

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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.