Home / 5,908.12-8,147.52-3,887.92

Finding the Fourth Proportional to 5,908.12, 8,147.52 and 3,887.92

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Solution

The fourth proportional to 5,908.12, 8,147.52 and 3,887.92 is: 5,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.12 : 8,147.52 = 3,887.92 : x
  2. Step 2: Convert to fraction form
    5,908.12/8,147.52 = 3,887.92/x
  3. Step 3: Cross multiply
    5,908.12x = 8,147.52 × 3,887.92
  4. Step 4: Simplify right side
    5,908.12x = 31,676,905.96
  5. Step 5: Solve for x
    x = 31,676,905.96/5,908.12
  6. Step 6: Final answer
    x = 5,361.59

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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.