Home / 8,172.12-11,277.42-4,446.12

Finding the Fourth Proportional to 8,172.12, 11,277.42 and 4,446.12

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Solution

The fourth proportional to 8,172.12, 11,277.42 and 4,446.12 is: 6,135.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.12 : 11,277.42 = 4,446.12 : x
  2. Step 2: Convert to fraction form
    8,172.12/11,277.42 = 4,446.12/x
  3. Step 3: Cross multiply
    8,172.12x = 11,277.42 × 4,446.12
  4. Step 4: Simplify right side
    8,172.12x = 50,140,762.61
  5. Step 5: Solve for x
    x = 50,140,762.61/8,172.12
  6. Step 6: Final answer
    x = 6,135.59

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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.