Home / 8,171.56-11,277.32-4,635

Finding the Fourth Proportional to 8,171.56, 11,277.32 and 4,635

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Solution

The fourth proportional to 8,171.56, 11,277.32 and 4,635 is: 6,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.56 : 11,277.32 = 4,635 : x
  2. Step 2: Convert to fraction form
    8,171.56/11,277.32 = 4,635/x
  3. Step 3: Cross multiply
    8,171.56x = 11,277.32 × 4,635
  4. Step 4: Simplify right side
    8,171.56x = 52,270,378.20
  5. Step 5: Solve for x
    x = 52,270,378.20/8,171.56
  6. Step 6: Final answer
    x = 6,396.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.