Home / 6,172.97-8,518.76-3,749.61

Finding the Fourth Proportional to 6,172.97, 8,518.76 and 3,749.61

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Solution

The fourth proportional to 6,172.97, 8,518.76 and 3,749.61 is: 5,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.97 : 8,518.76 = 3,749.61 : x
  2. Step 2: Convert to fraction form
    6,172.97/8,518.76 = 3,749.61/x
  3. Step 3: Cross multiply
    6,172.97x = 8,518.76 × 3,749.61
  4. Step 4: Simplify right side
    6,172.97x = 31,942,008.94
  5. Step 5: Solve for x
    x = 31,942,008.94/6,172.97
  6. Step 6: Final answer
    x = 5,174.50

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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.