Home / 8,161.66-11,259.25-5,918.62

Finding the Fourth Proportional to 8,161.66, 11,259.25 and 5,918.62

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Solution

The fourth proportional to 8,161.66, 11,259.25 and 5,918.62 is: 8,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.66 : 11,259.25 = 5,918.62 : x
  2. Step 2: Convert to fraction form
    8,161.66/11,259.25 = 5,918.62/x
  3. Step 3: Cross multiply
    8,161.66x = 11,259.25 × 5,918.62
  4. Step 4: Simplify right side
    8,161.66x = 66,639,233.69
  5. Step 5: Solve for x
    x = 66,639,233.69/8,161.66
  6. Step 6: Final answer
    x = 8,164.91

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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.