Home / 8,171.88-11,277.64-4,635.16

Finding the Fourth Proportional to 8,171.88, 11,277.64 and 4,635.16

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Solution

The fourth proportional to 8,171.88, 11,277.64 and 4,635.16 is: 6,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.88 : 11,277.64 = 4,635.16 : x
  2. Step 2: Convert to fraction form
    8,171.88/11,277.64 = 4,635.16/x
  3. Step 3: Cross multiply
    8,171.88x = 11,277.64 × 4,635.16
  4. Step 4: Simplify right side
    8,171.88x = 52,273,665.82
  5. Step 5: Solve for x
    x = 52,273,665.82/8,171.88
  6. Step 6: Final answer
    x = 6,396.77

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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.