Home / 8,090.76-11,163.92-4,686.56

Finding the Fourth Proportional to 8,090.76, 11,163.92 and 4,686.56

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Solution

The fourth proportional to 8,090.76, 11,163.92 and 4,686.56 is: 6,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.76 : 11,163.92 = 4,686.56 : x
  2. Step 2: Convert to fraction form
    8,090.76/11,163.92 = 4,686.56/x
  3. Step 3: Cross multiply
    8,090.76x = 11,163.92 × 4,686.56
  4. Step 4: Simplify right side
    8,090.76x = 52,320,380.92
  5. Step 5: Solve for x
    x = 52,320,380.92/8,090.76
  6. Step 6: Final answer
    x = 6,466.68

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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.