Home / 8,161.29-11,260.53-5,176.02

Finding the Fourth Proportional to 8,161.29, 11,260.53 and 5,176.02

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Solution

The fourth proportional to 8,161.29, 11,260.53 and 5,176.02 is: 7,141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.29 : 11,260.53 = 5,176.02 : x
  2. Step 2: Convert to fraction form
    8,161.29/11,260.53 = 5,176.02/x
  3. Step 3: Cross multiply
    8,161.29x = 11,260.53 × 5,176.02
  4. Step 4: Simplify right side
    8,161.29x = 58,284,728.49
  5. Step 5: Solve for x
    x = 58,284,728.49/8,161.29
  6. Step 6: Final answer
    x = 7,141.61

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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.