Home / 8,158.36-11,261.82-6,169.36

Finding the Fourth Proportional to 8,158.36, 11,261.82 and 6,169.36

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Solution

The fourth proportional to 8,158.36, 11,261.82 and 6,169.36 is: 8,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.36 : 11,261.82 = 6,169.36 : x
  2. Step 2: Convert to fraction form
    8,158.36/11,261.82 = 6,169.36/x
  3. Step 3: Cross multiply
    8,158.36x = 11,261.82 × 6,169.36
  4. Step 4: Simplify right side
    8,158.36x = 69,478,221.84
  5. Step 5: Solve for x
    x = 69,478,221.84/8,158.36
  6. Step 6: Final answer
    x = 8,516.20

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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.