Home / 8,172.37-11,277.84-4,635.55

Finding the Fourth Proportional to 8,172.37, 11,277.84 and 4,635.55

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Solution

The fourth proportional to 8,172.37, 11,277.84 and 4,635.55 is: 6,397.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.37 : 11,277.84 = 4,635.55 : x
  2. Step 2: Convert to fraction form
    8,172.37/11,277.84 = 4,635.55/x
  3. Step 3: Cross multiply
    8,172.37x = 11,277.84 × 4,635.55
  4. Step 4: Simplify right side
    8,172.37x = 52,278,991.21
  5. Step 5: Solve for x
    x = 52,278,991.21/8,172.37
  6. Step 6: Final answer
    x = 6,397.04

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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.