Home / 8,146.88-11,243.90-5,162.99

Finding the Fourth Proportional to 8,146.88, 11,243.90 and 5,162.99

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Solution

The fourth proportional to 8,146.88, 11,243.90 and 5,162.99 is: 7,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.88 : 11,243.90 = 5,162.99 : x
  2. Step 2: Convert to fraction form
    8,146.88/11,243.90 = 5,162.99/x
  3. Step 3: Cross multiply
    8,146.88x = 11,243.90 × 5,162.99
  4. Step 4: Simplify right side
    8,146.88x = 58,052,143.26
  5. Step 5: Solve for x
    x = 58,052,143.26/8,146.88
  6. Step 6: Final answer
    x = 7,125.69

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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.